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Re:贴个公式在上面

Posted by chf at 2008-11-21 08:41:16 on Problem 2140
In Reply To:Re:贴个公式在上面 Posted by:wsy217 at 2008-10-21 17:15:44
> 2*n/j+1-j>0必要的吧
不需要 : 2i=2*n/j+1-j>0 其中 i是大于0的

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