Art of Problem Solving

2021 AMC 12A Problems/Problem 19: Revision history

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Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.

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3 August 2025

26 May 2025

25 May 2025

5 November 2022

23 October 2022

16 October 2022

2 December 2021

1 December 2021

17 September 2021

16 September 2021

13 September 2021

26 August 2021

2 July 2021

1 July 2021

22 April 2021

3 April 2021

25 March 2021

22 March 2021

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