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Re:为什么???为什么判断(a+b+c+d)%2可以而判断(a+b-c-d)%2不可以

Posted by updog at 2009-05-09 17:34:05 on Problem 2495
In Reply To:为什么???为什么判断(a+b+c+d)%2可以而判断(a+b-c-d)%2不可以 Posted by:ACJunKi at 2009-05-09 14:43:43
> 为什么判断(a+b+c+d)%2可以而判断(a+b-c-d)%2不可以
出负数?

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