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Re:Sample 2In Reply To:Re:Sample 2 Posted by:wangjie2008 at 2008-08-31 13:36:44 > > Can you explain it clearly? thank you I'm sorry, it shoule be [1+(1/2+1/4....+1/2^n)+(2/2+4/4+6/8.....+2*n/2^n)] Followed by:
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