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Re:这题怎么做?公式怎么推呢?还是用二分?

Posted by change at 2005-09-20 21:45:35 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.
  我不是达人,也不敢所指教,但我公式的确不难。公式自己推一下,很快的。


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