Art of Problem Solving
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2010 AMC 8 Problems/Problem 13: Revision history

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22 January 2023

14 January 2023

15 August 2021

28 April 2021

13 June 2020

10 November 2017

8 November 2017

13 November 2016

26 September 2015

5 July 2013

4 March 2012