Art of Problem Solving
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2013 AMC 8 Problems/Problem 18: Revision history

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9 August 2025

1 January 2025

18 December 2023

24 December 2022

9 November 2022

5 May 2022

2 May 2022

28 January 2021

31 October 2017

4 October 2015

24 November 2014

27 March 2014

27 November 2013

20 November 2013