Tổng hợp kiến thức 8
Authored by Thao Vu
Mathematics
8th Grade
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Khai triển hằng đẳng thức: (x+2)2
x2+4x-4
x2+4x+4
(x+2)(x-2)
x2+2x+4
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Nhận định sau đúng hay sai: 9-x2=(x-3)(x+3)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kết quả phép tính: 992+2.99.1+1
9604
10000
100
100000
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
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