User talk:Darwin rivera

Revision as of 20:44, 1 May 2011 by Darwin rivera (talk | contribs) (Welcome)
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Hy everyone, in this Wiki. I will give every problem, where i don't know solution. But, i ask the problem to AoPS and i post the solution in this. But, don't worry. I will post about my activity, school and other. Please always come to my Wiki.