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Re:这题物理前提确实是错的

Posted by 332404521 at 2009-05-26 12:45:24 on Problem 1003
In Reply To:这题物理前提确实是错的 Posted by:332404521 at 2009-05-26 12:45:00
应该是
(1/1+1/2+....+1/n)/2

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