中学２年数学式の計算③ Quiz: 15 Practice Questions

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

次の計算をしなさい。
$\left(a+b\right)+\left(2a-3b\right)$

$3a+4b$

$2a-2b$

$3a-2b$

$ab$

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

次の計算をしなさい。
$\left(6x+3y\right)-\left(2x+5y\right)$

$8x+8y$

$-4x+8y$

$4x-2y$

$8x-2y$

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

次の２つの多項式をたしなさい。
$2x+3y$ 、 $5x-3y$

$7x$

$7x-6y$

$7x+6y$

$7xy$

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

次の２つの多項式を左の式から右の式をひきなさい。
$2x+3y$ 、 $5x-3y$

$-3x$

$3x-6y$

$-3x+6y$

$7x+6y$

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

次の計算をしなさい。
$2x-y$
+) $3x+5y$

$5x-6y$

$5x+6y$

$x+4y$

$5x+4y$

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

次の計算をしなさい。
$4x+3y$
-) $5x-2y$

$9x+y$

$9x+5y$

$-x+y$

$-x+5y$

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

次の計算をしなさい。
$2x^2-3x+5$
ー） $5x^2-3x-2$

$7x^2-6x+3$

$-3x^2-6x+7$

$-3x^2+7$

$-3x^2-6x+3$

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$50a$ や100のように１つの項でできている式のことを
「多項式」という〇か×か。

×

〇

10.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$10a+b$ や $x-1$ のように複数の項で成り立つ式のことを何というか。

単項式

多項式

次数

項

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中学２年数学　式の計算③

次の計算をしなさい。
$\left(a+b\right)+\left(2a-3b\right)$