Chào mừng quý vị đến với Blog Hoàng Luận .
Quý vị chưa đăng nhập hoặc chưa đăng ký làm thành viên, vì vậy chưa thể tải được các tư liệu của Thư viện về máy tính của mình.
Nếu chưa đăng ký, hãy đăng ký thành viên tại đây hoặc xem phim hướng dẫn tại đây
Nếu đã đăng ký rồi, quý vị có thể đăng nhập ở ngay ô bên phải.
KT45 phut DS C4
- 0 / 0
-
(Tài liệu chưa được thẩm định)
Nguồn:
Người gửi: Hoàng Luận (trang riêng)
Ngày gửi: 21h:56' 29-03-2011
Dung lượng: 99.0 KB
Số lượt tải: 2
Nguồn:
Người gửi: Hoàng Luận (trang riêng)
Ngày gửi: 21h:56' 29-03-2011
Dung lượng: 99.0 KB
Số lượt tải: 2
Số lượt thích:
0 người
Họ và tên:..............................................................................
Lớp 7B
Kiểm tra 45 phút
Môn: đại số lớp 7
Đề bài :
I. Trắc nghiệm khách quan: (2 điểm)
Khoanh tròn vào chữ cái đứng trước câu trả lời đúng
Câu 1: Giá trị của biểu thức tại x = 2 và y = -1 là
A. 12,5 B. 1 C. 6 D. 10
Câu 2: Đơn thức đồng dạng với đơn thức 3x3yz2 là
A. 4x2y2z B. 3x2yz C. -3xy2z3 D. x3yz2
Câu 3: Kết quả của phép tính 5x3y2 . 2x2y là
A. -10x5y3 B. 7x5y3 C. 3xy D. -3xy
Câu 4: Bậc của đa thức 5x4y3 + 6x2y2 + 5y6 +1 là
A. 5 B. 6 C. 7 D. 4
II. Tự luận: (8 điểm)
Câu 5: (2 điểm) Cộng và trừ các đơn thức sau
a) 3x2y +5xy2 – 2x2y + 4xy2
b) 3a2b - a2b + 2a2b + 6a2b
Câu 6: (3 điểm) Cho đa thức
a) Thu gọn và tìm bậc của P
b) Tính giá trị của P tại x = -1 ; y = 2 ; z = 3
Câu 7: (3 điểm) Cho các đa thức
a, Tìm đa thức D(x) sao cho D(x) = A(x) – B(x) + C(x)
b, Tìm D
Bài làm
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................................................................................... .............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
Họ và tên:..............................................................................
Lớp7C
Kiểm tra 45 phút
Môn: đại số lớp 7
Đề bài :
I. Trắc nghiệm khách quan: (2 điểm)
Khoanh tròn vào chữ cái đứng trước câu trả lời đúng
Câu 1: Giá trị của biểu thức tại x = 2 và y = -1 là
A. 6 B. 1 C. 12,5 D. 10
Câu 2: Đơn thức đồng dạng với đơn thức 3x2yz là
A. 4x2y2z B. 3x2yz C. -3xy2z3 D. x3yz2
Câu 3: Kết quả của phép tính 5x3y2 . 2x2y là
A. -10x5y3 B. 7x5y3 C. 3xy D. -3xy
Câu 4: Bậc của đa thức 5x4y5 + 6x2y2 + 5y6 +1 là
A. 9 B. 6 C. 7 D. 4
II. Tự luận: (8 điểm)
Câu 5: (2 điểm) Cộng và trừ các đơn thức sau
a) 3a2b +5ab2 – 2a2b + 4ab2
b) 3x2y - x2y + 2x2y + 6x2y
Câu 6: (3 điểm) Cho đa thức
a) Thu gọn và tìm bậc của P
b) Tính giá trị của P tại x = -1 ; y = 2 ; z = 3
Câu 7: (3 điểm) Cho các đa thức
a, Tìm đa thức D(x) sao cho D(x) = A(x) – B(x) + C(x)
b, Tìm D
Bài làm
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
Lớp 7B
Kiểm tra 45 phút
Môn: đại số lớp 7
Đề bài :
I. Trắc nghiệm khách quan: (2 điểm)
Khoanh tròn vào chữ cái đứng trước câu trả lời đúng
Câu 1: Giá trị của biểu thức tại x = 2 và y = -1 là
A. 12,5 B. 1 C. 6 D. 10
Câu 2: Đơn thức đồng dạng với đơn thức 3x3yz2 là
A. 4x2y2z B. 3x2yz C. -3xy2z3 D. x3yz2
Câu 3: Kết quả của phép tính 5x3y2 . 2x2y là
A. -10x5y3 B. 7x5y3 C. 3xy D. -3xy
Câu 4: Bậc của đa thức 5x4y3 + 6x2y2 + 5y6 +1 là
A. 5 B. 6 C. 7 D. 4
II. Tự luận: (8 điểm)
Câu 5: (2 điểm) Cộng và trừ các đơn thức sau
a) 3x2y +5xy2 – 2x2y + 4xy2
b) 3a2b - a2b + 2a2b + 6a2b
Câu 6: (3 điểm) Cho đa thức
a) Thu gọn và tìm bậc của P
b) Tính giá trị của P tại x = -1 ; y = 2 ; z = 3
Câu 7: (3 điểm) Cho các đa thức
a, Tìm đa thức D(x) sao cho D(x) = A(x) – B(x) + C(x)
b, Tìm D
Bài làm
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................................................................................... .............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
Họ và tên:..............................................................................
Lớp7C
Kiểm tra 45 phút
Môn: đại số lớp 7
Đề bài :
I. Trắc nghiệm khách quan: (2 điểm)
Khoanh tròn vào chữ cái đứng trước câu trả lời đúng
Câu 1: Giá trị của biểu thức tại x = 2 và y = -1 là
A. 6 B. 1 C. 12,5 D. 10
Câu 2: Đơn thức đồng dạng với đơn thức 3x2yz là
A. 4x2y2z B. 3x2yz C. -3xy2z3 D. x3yz2
Câu 3: Kết quả của phép tính 5x3y2 . 2x2y là
A. -10x5y3 B. 7x5y3 C. 3xy D. -3xy
Câu 4: Bậc của đa thức 5x4y5 + 6x2y2 + 5y6 +1 là
A. 9 B. 6 C. 7 D. 4
II. Tự luận: (8 điểm)
Câu 5: (2 điểm) Cộng và trừ các đơn thức sau
a) 3a2b +5ab2 – 2a2b + 4ab2
b) 3x2y - x2y + 2x2y + 6x2y
Câu 6: (3 điểm) Cho đa thức
a) Thu gọn và tìm bậc của P
b) Tính giá trị của P tại x = -1 ; y = 2 ; z = 3
Câu 7: (3 điểm) Cho các đa thức
a, Tìm đa thức D(x) sao cho D(x) = A(x) – B(x) + C(x)
b, Tìm D
Bài làm
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
.............................................................................................................................................................................................................................................................................................................................................................
Các ý kiến mới nhất