Ôn tập tổng hợp tháng 10 toán 8
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Medium
Cúc Thị
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 1: Biểu thức nào trong các câu sau là đơn thức?
2x2y
2x2 +y
x2 +2y
2x+y2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 2: Đơn thức 6x2y2z có hệ số là:
6
2
5
1/6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đơn thức thu gọn của -2x.3yz2 là:
-6xyz
-6xyz2
6xyz
-6x2yz
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đẳng thức nào trong các đẳng thức sau là hằng đẳng thức bình phương của một tổng?
A. (a+b)2= a2+2ab+b
B. ( a-b)2=a2-2ab+b2
C. (a-b)2= a2+2ab+b2
D. (a+b)2= a2+2ab+b2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đẳng thức nào trong các đẳng thức sau là hằng đẳng thức tổng của hai lập phương?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-1000
216
1000
-216
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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