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PHÉP NHÂN ĐA THỨC

Authored by Hậu Trần

Mathematics

8th Grade

Used 13+ times

PHÉP NHÂN ĐA THỨC
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11 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 10 pts

Tích (-5x)2y2.xy bằng

- x3y3

25x3y3

5x3y3

x3y2

2.

MULTIPLE CHOICE QUESTION

10 sec • 10 pts

Tích (-2xy)3y.x2

-2x4y5

2x4y5

2x5y4

-8x5y4

3.

MULTIPLE CHOICE QUESTION

10 sec • 10 pts

Kết quả của phép tính (ax2 + bx - c).2a2x bằng

2a3x3 + 2a2bx2 - 2a2cx

2a4x2 + 2a2bx2 - a2cx

2a3x3 + bx - c

2a4x3 + 2a2bx2 - 2a2cx

4.

MULTIPLE CHOICE QUESTION

10 sec • 10 pts

Tích 4a3b.(3ab - b + 14) có kết quả bằng

12a3b2 + 4a3b2 + 4a3b

12a4b2 - 4a3b2 + a3b

12a4b2 - 4a3b2 + a3b

12a4b2 - 4a3b + a3b

5.

MULTIPLE CHOICE QUESTION

10 sec • 10 pts

Kết quả của phép tính -4x2(6x3 + 5x2 - 3x + 1) bằng

24x5 + 20x4 + 12x3 - 4x2

-24x5 - 20x4 + 12x3 + 1

-24x5 - 20x4 + 12x3 - 4x2

-24x5 - 20x4 - 12x3 + 4x2

6.

MULTIPLE CHOICE QUESTION

10 sec • 10 pts

Tích (x - y)(x + y) có kết quả bằng

x2 - 2xy + y2

x2 + y2

x2 - y2

x2 + 2xy + y2

7.

MULTIPLE CHOICE QUESTION

10 sec • 10 pts

Tích (2x - 3)(2x + 3) có kết quả bằng

4x2 + 12x + 9

4x2 - 9

2x2 - 3

4x2 + 9

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