単項式×多項式

Authored by 片山司朗

Mathematics

7th - 10th Grade

Used 9+ times

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6 questions

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MULTIPLE CHOICE QUESTION

20 sec • 1 pt

$2\left(x+3\right)$ のかっこを外せ。

$2x+6$

$2x+3$

$x+6$

$6x$

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

$-\left(2x^2+x-4\right)$ のかっこを外せ。

$-2x^2-x+4$

$-2x^2+x-4$

$-2x^2-x-4$

$-2x^2+x+4$

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

$3\left(x+4\right)$ のかっこを外せ。

$3x+12$

$3x+4$

$x+12$

$12x$

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

$5\left(2a^2-4a+3\right)$ のかっこを外せ。

$10a^2-20a+15$

$10a^2-4a+3$

$10a^2-20a+3$

$5a$

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

$-\left(3a^2-2a+4\right)$ のかっこを外せ。

$-3a^2+2a-4$

$-3a^2+2a+4$

$-3a^2-2a-4$

$-4a$

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

$5\left(2a^2-4a+3\right)$ のかっこを外せ。

$10a^2-20a+15$

$10a^2-4a+3$

$10a^2-20a+3$

$5a$

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単項式×多項式

2(x+3)2\left(x+3\right)2(x+3) のかっこを外せ。

−(2x2+x−4)-\left(2x^2+x-4\right)−(2x2+x−4) のかっこを外せ。

3(x+4)3\left(x+4\right)3(x+4) のかっこを外せ。

5(2a2−4a+3)5\left(2a^2-4a+3\right)5(2a2−4a+3) のかっこを外せ。

−(3a2−2a+4)-\left(3a^2-2a+4\right)−(3a2−2a+4) のかっこを外せ。

5(2a2−4a+3)5\left(2a^2-4a+3\right)5(2a2−4a+3) のかっこを外せ。

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$2\left(x+3\right)$ のかっこを外せ。

$-\left(2x^2+x-4\right)$ のかっこを外せ。

$3\left(x+4\right)$ のかっこを外せ。

$5\left(2a^2-4a+3\right)$ のかっこを外せ。

$-\left(3a^2-2a+4\right)$ のかっこを外せ。

$5\left(2a^2-4a+3\right)$ のかっこを外せ。