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Re:是用这个((0.3+1)/2+0.3)/(1-0.3)得到的么...

Posted by y07yangruilong at 2007-05-05 22:04:10 on Problem 2651
In Reply To:是用这个((0.3+1)/2+0.3)/(1-0.3)得到的么... Posted by:a1 at 2005-10-14 23:11:24
为什么是这个式子呀,有什么含义吗

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