Art of Problem Solving
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2000 AMC 8 Problems/Problem 20: Revision history

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20 November 2023

15 April 2023

5 April 2023

16 January 2023

15 January 2023

5 January 2023

4 January 2023

8 October 2022

27 January 2021

11 February 2020

11 November 2015

4 July 2013

30 July 2011

28 July 2011