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多项式

Authored by JIA HENG ANG

Mathematics

8th Grade

Used 24+ times

多项式
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15 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

请选出单项式的系数:

 6ab2 6ab^{2\ }  

 66  

 6a6a  

 ab2 ab^{2\ }  

 6ab2 6ab^{2\ }  

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

请把依据降幂排列的多项式打勾。

x2 3x+1x^{2\ }-3x+1

3+2x1x2 3+2x-1x^{2\ }

8x+6x2+28x+6x^2+2

x2+23x5x^2+\frac{2}{3}x-5

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

请把依据升幂排列的多项式打勾。

x2 3x+1x^{2\ }-3x+1

3+2x1x2 3+2x-1x^{2\ }

8x+6x2+28x+6x^2+2

x2+23x5x^2+\frac{2}{3}x-5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

化简: a(b+c)a\left(b+c\right) 

 ab+cab+c  

 a+bca+bc  

 ab+acab+ac  

 ab+bcab+bc  

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

化简

 2x2(2xy+3)2x^2\left(2x-y+3\right)  

 2x32x2y+6x22x^3-2x^2y+6x^2  

 4x3+2x2y+6x24x^3+2x^2y+6x^2  

 4x32x2y+3x24x^3-2x^2y+3x^2  

 4x32x2y+6x2 4x^3-2x^2y+6x^{2\ }  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

计算 (2y)3\left(2y\right)^3  

 2y32y^3  

 4y34y^3  

 6y36y^3  

 8y38y^3  

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

计算 (3x2y)3\left(-3x^2y\right)^3  


 27x5y327x^5y^3  

 27x5y3-27x^5y^3  

 27x6y3-27x^6y^3  

 27x6y327x^6y^3  

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