Art of Problem Solving
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2010 AMC 8 Problems/Problem 21: Revision history

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23 October 2024

15 July 2024

21 May 2024

21 April 2024

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22 January 2023

30 December 2022

28 April 2021

9 November 2018

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10 November 2016

5 July 2013

11 November 2012

17 November 2011