数A 集合
Authored by Shunji Nishikawa
Mathematics
1st Grade
Used 3+ times
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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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