Art of Problem Solving
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2009 AMC 8 Problems/Problem 7: Revision history

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30 May 2023

15 April 2023

10 January 2023

3 January 2023

10 June 2022

16 January 2021

8 November 2013

5 July 2013

25 December 2012

5 November 2012

14 August 2011