Art of Problem Solving
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1990 AIME Problems/Problem 5: Revision history

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7 June 2025

21 January 2023

26 June 2022

4 July 2013

29 January 2009

11 April 2008

24 November 2007

3 March 2007

2 March 2007

20 January 2007

26 July 2006

12 July 2006

9 July 2006