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数A 集合

Authored by Shunji Nishikawa

Mathematics

1st Grade

Used 3+ times

数A 集合
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5 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

20以下の2桁の自然数全体の集合Aの要素の個数 n(A)は?

11

10

20

9

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

50以下の自然数のうち6の倍数はいくつあるか?

6

7

8

9

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

50以下の自然数のうち,6の倍数かつ8の倍数はいくつあるか?

2

1

48

6

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

50以下の自然数で6の倍数または8の倍数はいくつあるか?

(6の倍数→8個,

8の倍数→6個,

6の倍数かつ8の倍数→2個)

16

12

14

96

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

50以下の自然数で「6の倍数でも8の倍数でもない数」はいくつあるか?

(6の倍数かつ8の倍数→2個

6の倍数または8の倍数→12個)

14

10

48

38

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