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• 14:26, 1 May 2012 (diff | hist) . . (+395)‎ . . 1993 AJHSME Problems/Problem 15 ‎ (→‎Problem)
• 12:06, 1 May 2012 (diff | hist) . . (+492)‎ . . 1989 AHSME Problems/Problem 18 ‎
• 09:32, 27 April 2012 (diff | hist) . . (-1)‎ . . 2009 AMC 8 Problems/Problem 21 ‎ (→‎Solution)
• 09:31, 27 April 2012 (diff | hist) . . (+227)‎ . . 2009 AMC 8 Problems/Problem 21 ‎ (→‎Problem)

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