Art of Problem Solving

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15:04, 21 February 2012 (diff | hist) . . (+1)‎ . . 2009 AMC 10B Problems/Problem 2 ‎ (→‎Solution)
15:04, 21 February 2012 (diff | hist) . . (+11)‎ . . 2009 AMC 10B Problems/Problem 2 ‎ (→‎Solution)
15:03, 21 February 2012 (diff | hist) . . (0)‎ . . m 2009 AMC 10B Problems/Problem 2 ‎ (→‎Solution)
15:02, 21 February 2012 (diff | hist) . . (0)‎ . . m 2009 AMC 10B Problems/Problem 2 ‎ (→‎Solution)

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