TOÁN 8
Authored by Duyên Nguyễn Thuý
Mathematics
8th Grade
Used 5+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính tổng của hai đa thức M = x3 + y3; N = x3 - y3 được kết quả là
2y3
2x3
0
2x3 + y3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính hiệu của hai đa thức M = x2 + y2; N = x2 - y2được kết quả là
0
2x2
2y2
-2y2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính (x + y) (x + y) = ?
x2 + y2
x2 - y2
x2 - 2xy + y2
x2 + 2xy + y2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính:
( a + b) (a - b) = ?
(a + b)2
a2 - b2
(a - b)2
a2 - 2ab + b2
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
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