怎样说明任意取4个自然数中至少有2个数的差是4的倍数
不好意思，打错了是五个数
人气：452 ℃ 时间：2019-08-21 07:49:26
解答
此题有问题:如取1,2,3,4就不行,可把题目改成任取五个自然数,本题可解!
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