Art of Problem Solving

2005 AMC 10A Problems/Problem 23: Revision history

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24 December 2015

14 September 2015

2 June 2015

12 April 2015

4 July 2013

11 April 2013

24 January 2012

5 May 2011

30 January 2011

5 February 2010

24 December 2008

6 May 2007

4 May 2007

14 February 2007

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