Art of Problem Solving
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2009 AMC 8 Problems/Problem 4: Revision history

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25 November 2024

26 November 2023

25 November 2023

12 November 2023

2 April 2023

21 December 2022

7 September 2021

6 September 2021

28 January 2021

16 January 2021

5 July 2013

12 November 2012

5 November 2012

14 August 2011