首页/ 题库 / [单选题]n为100以内的自然数,那么能令2n-1的答案

n为100以内的自然数,那么能令2n-1被7整除的n有多少个?

单选题
2022-01-02 07:06
A、32
B、33
C、34
D、35
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正确答案
B

试题解析
当n是3的倍数的时候,2n-1是7的倍数。也就是求100以内3的倍数,从3到99,共有33个。故选B。

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