When 53 is divided by a positive integer n ,the remainder is 3 .H_英语解答 - 作业小助手

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When 53 is divided by a positive integer n ,the remainder is 3 .How many values of n are possible?
THE ANSWER IS 4,BUT WHYYYYYYYY?

人气：325 ℃　时间：2020-05-11 10:20:15

解答

首先,n>3,否则余数不能为3；
其次,n整除(53-3),即n整除50；
所以,n=5,10,25,50；
有四种可能.

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