AoPS Wiki:Problem of the Day/July 21, 2011
< AoPS Wiki:Problem of the Day
Revision as of 18:55, 20 July 2011 by Btilm305 (talk | contribs) (Protected "AoPSWiki:Problem of the Day/July 21, 2011": Problem of the Day ([edit=sysop] (indefinite) [move=sysop] (indefinite)))
Solve for and :