Revision history of "Mock AIME I 2012 Problems/Problem 9"

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  • (cur | prev) 16:40, 7 April 2012Esque (talk | contribs). . (1,715 bytes) (+1,715). . (Created page with "==Problem== A class of seven students is doing a Secret Santa, for which all seven students have contributed a gift each. However, one of the seven students has not arrived yet. ...")