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Re:把a0 a1 a2的系数搞颠倒了,杯具wa了2次,公式如下

Posted by ZxyElf at 2013-02-01 09:30:56 on Problem 3982
In Reply To:Re:把a0 a1 a2的系数搞颠倒了,杯具wa了2次,公式如下 Posted by:311041102 at 2012-07-16 15:57:37
解差分方程。。。

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