数と式 展開 〜 展開の工夫

数と式 展開 〜 展開の工夫

1st Grade

6 Qs

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数と式 展開 〜 展開の工夫

数と式 展開 〜 展開の工夫

Assessment

Quiz

Mathematics

1st Grade

Hard

Created by

Shunji Nishikawa

Used 1+ times

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6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


 (x3)(x2)\left(x-3\right)\left(x-2\right)  展開せよ。

 x25x+6x^2-5x+6  

 x2+6x+6x^2+6x+6  

 x2+6x^2+6  

 x2+5x+6x^2+5x+6  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (3x5)(3x+5)\left(3x-5\right)\left(3x+5\right)  

 9x2259x^2-25  

 9x2+25-9x^2+25  

 9x2+15259x^2+15-25  

 9x2+30x+259x^2+30x+25  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


 (x+2)(3x+1)\left(x+2\right)\left(3x+1\right) を展開せよ。

 3x+6x+23x+6x+2  

 3x2+6x+23x^2+6x+2  

 3x2+7x23x^2+7x-2  

 3x2+7x+23x^2+7x+2  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (xy+2)(xy2)\left(x-y+2\right)\left(x—y-2\right)  

 (A+2)(A2)\left(A+2\right)\left(A-2\right)  

 A24A^2-4  

 x2+2xy+y24x^2+2xy+y^2-4  

 x2+y24x^2+y^2-4  

 x22xy+y24x^2-2xy+y^2-4  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (xy+2)(x+y+2)\left(x-y+2\right)\left(x+y+2\right)  

 x2A2x^2-A^2  

 x2y24y4x^2-y^2-4y-4  

 x2y2+4x+4x^2-y^2+4x+4  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (x3y)2\left(x-3y\right)^2  を展開せよ

 x2+6xy9y2x^2+6xy-9y^2  

 x26x+9y2x^2-6x+9y^2  

 x26xy+9y2x^2-6xy+9y^2  

 x26xy+9x^2-6xy+9