
Bài Tập Toán Học
Authored by Thuý Ngọc
Mathematics
8th Grade
Used 8+ times

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35 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 1. Biểu thức nào sau đây là đơn thức ?
10x+3
2x
2xy - 1
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Câu 2. Biểu thức nào sau đây là đa thức một biến?
3x + 4y
2x2 + 3x- 1
3 - 7xy
-2yz+5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 3. Hãy chọn kết quả đúng:
2x.x2y = 2x3y
2x.x2y = 2xy2
2x.x2y = 2x2y
2x.x2y = 2x2y2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 4. Hãy chọn kết quả đúng:
x(x + 2) = x2 + 2x
x(x + 2) = x + 2
(x + 2) = x2 + 2x
x(x + 2) = x2 + x
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 5. Hệ số của đơn thức -5x2y là?
5
52
-5
-52
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 6. Biểu thức nào sau đây là đa thức có bậc 4?
2x2yz -1
3x4 - 2y5
4x3y2 - 2
14 xyz
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 7. Đơn thức nào sau đây đồng dạng với đơn thức -2xy3?
2x3y
- 2xy
8xy3
1 + xy3
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