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Re:这个方法怎么理解，我看不懂为什么这样In Reply To:Re:这个方法怎么理解，我看不懂为什么这样 Posted by:lanseniao at 2009-02-27 21:13:04 比如说输入3， 当除数为11时11=9+2;同余把2弄出来； 111=（9+2）*10+1=9*10+2*10+1； ！注意9是3的倍数； 9*10能除尽3，要判断111满不满足，只要判断2*10+1能不能除尽3； Followed by:
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