素数・素因数分解
Authored by 中村皓 中村皓
Mathematics
4th Grade
Used 15+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
自然数はどれ？
0
8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
素数はどれ？
16
23
27
49
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
63を素因数分解すると？
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
６の倍数はどれ？
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
132にできるだけ小さい数字をかけて、15の倍数にするには、どんな数をかければいい？
2
3
4
5
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