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展開・因数分解トレーニング

Authored by Taku Ogasawara

Mathematics

9th Grade

Used 22+ times

展開・因数分解トレーニング
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30 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 (x+1)(x+2)\left(x+1\right)\left(x+2\right)  を展開しなさい。

 x2+3x+2x^2+3x+2  

 x2+2x+2x^2+2x+2  

 x2+3x+3x^2+3x+3  

 x2+2x+3x^2+2x+3  

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 (3x1)(4x+3)\left(3x-1\right)\left(4x+3\right)  を展開しなさい。

 12x2+5x312x^2+5x-3  

 12x23x312x^2-3x-3  

 12x2+4x312x^2+4x-3  

 12x23x+312x^2-3x+3  

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 (x+8)(x8)\left(x+8\right)\left(x-8\right)  を展開しなさい。

 x264x^2-64  

 x216x+64x^2-16x+64  

 x264x+16x^2-64x+16  

 x216x+16x^2-16x+16  

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 (x6)(x+3)\left(x-6\right)\left(x+3\right)  を展開しなさい。

 x23x18x^2-3x-18  

 x29x+18x^2-9x+18  

 x23x9x^2-3x-9  

 x23x3x^2-3x-3  

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 (x+y)2\left(x+y\right)^2  を展開しなさい。

 x2+2xy+y2x^2+2xy+y^2  

 x2 +2xyx^{2\ }+2xy  

 x22xy+y2x^2-2xy+y^2  

 x2+2xyy2x^2+2xy-y^2  

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 (a+13)(a13)\left(a+13\right)\left(a-13\right) を展開しなさい。

 a2169a^2-169  

 a226a^2-26  

 a2+26a^2+26  

 a2+169a^2+169  

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 (x5)(x7)\left(x-5\right)\left(x-7\right)  を展開しなさい。

 x212x+35x^2-12x+35  

 x212x+12x^2-12x+12  

 x212x+2x^2-12x+2  

 x2+12x35x^2+12x-35  

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