Talk:2007 AIME II
Revision as of 06:56, 15 March 2008 by ZHANGWENZHONGKK (talk | contribs) (New page: 2007,15 One solution show here: <math>/frac{r}{r_Delta}+/frac{2r}{R_Delta}=1</math>)
2007,15 One solution show here:
2007,15 One solution show here:
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