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opensq

9. A integer, when divided by 6, has remainder 2 and when divided by 8 has remainder 4. What's the possible remainder when it is divided by 48. <I chose 20>

n=6A+2   n=8B+4     (A,B是整数) 

—>  n=24(A-B)-4    （A-B是整数）

所以余数是20

请问这个解释好像   不对吧？？？？？

正确的该如何解答？？

[此贴子已经被作者于2008-11-11 17:11:23编辑过]

flutemama

i guess should be 20~~~since the smallest A should be 20

achine

可以是20或者44

jonathan1987

http://forum.chasedream.com/dispbbs.asp?boardID=22&ID=357107&page=2

上面去看,有解答的

opensq

同项是得出来了，但是怎么确定答案就是20呢？