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[Problem Solving]

试题详情

题目:

If a positive integer n is divisible by both 5 and 7, then n must also be divisible by which of the following?
I 12
II 35
III 70

选项:

A、NoneI only
B、II only
C、I and II
D、II and III

答案:

C

提问:

70不行是因为没有2吗?

解答:

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阅读1058
解答: 徐小梅

提问:

70不行是因为没有2吗?

解答:

点赞0
阅读1059
解答: 徐小梅老师

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