Ôn tập kiểm tra gữa kì
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Medium
TRANG LINH
Used 1+ times
FREE Resource
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50 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Biểu thức nào là đơn thức?
12x2y
x(y+1)
1-2x
2.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Hệ số của đơn thức 2x2y3xy2 là?
2
3
5
6
3.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Đơn thức đồng dạng với đơn thức -3x2yz là
-3xyz
(2/3)x2yz
(3/2)y2zx2
(8/3)x2y
4.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Giá trị của đơn thức -5x67x42z2 tại x = -1, y = 1, z = -2 bằng:
280
-280
140
-140
5.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Biểu thức biểu thị số tiền (nghìn đồng) mua x bút bi và y sổ ghi chép. Biết Lan mua 5 bút bi và 2 sổ ghi chép. Hỏi số tiền Lan phải trả là bao nhiêu ?
32 nghìn đồng
35 nghìn đồng
50 nghìn đồng
85 nghìn đồng
6.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Sau khi thu gọn đơn thức 3x2yxy2
3x2y3
3x3y3
3x3y2
3x2y4
7.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Tính (2a + 3b)2
4a2 + 6ab + 9b2
4a2 + 12ab + 9b2
2a2 + 12ab + 3b2
2a2 + 6ab + 3b2
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