
PHÉP NHÂN ĐA THỨC
Authored by Hậu Trần
Mathematics
8th Grade
Used 13+ times

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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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