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Re:请问sigma i^k (i=1..n) 怎么求和的~~~

Posted by ha_star at 2011-09-05 20:02:07 on Problem 2515
In Reply To:请问sigma i^k (i=1..n) 怎么求和的~~~ Posted by:sasnzy at 2005-07-31 15:30:48
> 请问sigma i^k (i=1..n) 怎么求和的~~~

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