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其实这题很容易想到随机。因为这题问你是否与未知点无关,显然要给未知点任意给值。

Posted by tengshengbo at 2005-11-16 18:14:28 on Problem 2725
In Reply To:Re:复数 Posted by:GuoQian_ at 2005-11-16 17:30:04


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