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数量と文字式

Authored by Ryo Sakairi

Mathematics

7th Grade

Used 8+ times

数量と文字式
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 10 pts

1個100円のドーナツx個の代金

100x
100+x
x100
200

2.

MULTIPLE CHOICE QUESTION

45 sec • 10 pts

y円の20%の金額

0.02y

15y\frac{1}{5}y

20y

0.8y

3.

MULTIPLE CHOICE QUESTION

45 sec • 10 pts

y円の20%引きの金額

0.2y

2y5\frac{2y}{5}

45y\frac{4}{5}y

0.08y

4.

MULTIPLE CHOICE QUESTION

45 sec • 10 pts

1本のx円のジュース5本の代金

30
x+5
x5
5x

5.

MULTIPLE CHOICE QUESTION

45 sec • 10 pts

12本x円の鉛筆の1本あたりの代金

12x

x12

12x\frac{12}{x}

x12\frac{x}{12}

6.

MULTIPLE CHOICE QUESTION

45 sec • 10 pts

分速60mでa分歩いたときの道のり

60a

60a\frac{60}{a}

a60\frac{a}{60}

60+a

7.

MULTIPLE CHOICE QUESTION

45 sec • 10 pts

b kgの品物の31%の重さ

0.031b

31b

31100b\frac{31}{100}b

b+31

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