
toán 8 bài 1
Authored by Nguyen Nhi
Mathematics
8th Grade
Used 3+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phần I. Trắc nghiệm nhiều phương án lựa chọn
Biểu thức nào sau đây là đơn thức?
A. 2x2y.
B. 2x2+y.
C. x2+2y.
D. 2x+y2.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đơn thức nào sau đây là đơn thức thu gọn
A. 3xyx2.
B. 3xyzy.
C. 3xyz.z.
D. 3x2yz.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đơn thức 6x2y2z có bậc là
A. 6
B.5
C.4
D.10
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Biểu thức nào sau đây là đa thức?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đa thức A=5x3y+2xy−3x có bậc là
6
7
3
4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thu gọn đa thức (xy+y2−x2y2−2)+(x2y2+5−y2) được
A. xy+3.
B. xy−3.
C. −xy+3.
D. −xy−3.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Biểu thức nào sau đây không phải là đa thức?
A. 3x2y.
B. 4x3+5x−2.
D. 7y2−3.
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