Art of Problem Solving
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2009 AMC 8 Problems/Problem 25: Revision history

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31 October 2020

4 October 2020

16 March 2019

27 January 2019

25 October 2015

24 November 2014

5 July 2013

5 November 2012

4 November 2012

31 October 2012

14 August 2011