
ÔN TẬP 7 HẰNG ĐẲNG THỨC
Authored by thuy kieu
Mathematics
8th Grade
Used 11+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Với A,B là hai biểu thức bất kì, (A+B)2 =
A + B2
A - B2
A2+ AB + B2
A2 + 2AB + B2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Với A,B là hai biểu thức bất kì, ( A - B)2 =
A2 - AB + B2
A2 + 2AB + B2
A2 -2AB + B2
A2 -2AB - B2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x2 + 4xy + 16y2 = (x + 4y)2 đúng hay sai
đúng
sai
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Viết thành bình phương của một tổng 16y2+32yz+16z2=....
(4y+4z)2
(16y+16z)2
(4y+16z)2
(16y+4z)2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Viết thành bình phương của một hiệu a2 - 4ab + 4b2 =.......
(a - 4b)2
(a - 2b)2
(a + 2b)2
(a + 4b)2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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