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初二同底數冪的乘法

Authored by 蔡靖晴蔡靖晴 蔡靖晴蔡靖晴

Mathematics

7th Grade

Used 6+ times

初二同底數冪的乘法
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11 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 a3a2a^3\cdot a^2  

 a5a^5  

 a6a^6  

 a9a^9  

 aa  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 xx6x2x\cdot x^6\cdot x^2  

 x8x^8  

 x12x^{12}  

 x9x^9  

 x15x^{15}  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (1)2×(1)8×(1)\left(-1\right)^2\times\left(-1\right)^8\times\left(-1\right)  

 11  

 1-1  

 1111  

 11-11  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 y2n+1yn+1y^{2n+1}\cdot y^{n+1}  

 y3ny^{3n}  

 y3n+2y^{3n+2}  

 yny^n  

 y3n+3y^{3n+3}  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 a3a3aa5a^3\cdot a^3-a\cdot a^5  

 2a62a^6  

 2a52a^5  

 00  

 a6a^6  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (x)2(+x)3\left(-x\right)^2\cdot\left(+x\right)^3  

 x5-x^5  

 x5x^5  

 x6-x^6  

 x6x^6  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (+x)4(x)3\left(+x\right)^4\cdot\left(-x\right)^3  

 x7-x^7  

 x7x^7  

 x12-x^{12}  

 x12x^{12}  

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