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Re:这题怎么做?公式怎么推呢?还是用二分?

Posted by OurUSTC at 2005-09-11 11:33:27 on Problem 2601
In Reply To:这题怎么做?公式怎么推呢?还是用二分? Posted by:dearboy at 2005-09-11 10:02:43
> 请达人指教,谢谢.

二分,:)
懒人不推公式阿

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