When 49 is divide by a certain number,the remainder is 1.List all the possible values of
the number除了一个个列出来有什么快一点的方法?
人气：487 ℃ 时间：2020-04-03 16:22:36
解答
2,3,4,6,8,12,16,24
其实就是看48 （49-1）可以被 哪些数整除吧.
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