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Discussion of Problem 1120. Sum of Sequential Numbers

Expression for this problem
Posted by Phan Hoài Nam - Đại học Ngoại ngữ Tin Học TP.HCM 13 Feb 2009 08:45
P and A must satisfy the condition :

P ( P + 2A - 1) = 2N

good luck !
Re: Expression for this problem
Posted by yuanyuan 19 Feb 2009 10:16
It's boring!
Nobody doesn't know it!
Re: Expression for this problem
Posted by Pegasus 10 Oct 2012 17:50
agree with you
Re: Expression for this problem
Posted by [TDUweAI] daminus 25 Jun 2013 23:57
and what we can take with this?

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