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TOÁN 8

Authored by Duyên Nguyễn Thuý

Mathematics

8th Grade

Used 5+ times

TOÁN 8
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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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