Art of Problem Solving

2019 AMC 10A Problems/Problem 13: Revision history

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10 November 2025

19 October 2025

4 September 2025

22 June 2025

4 November 2022

20 September 2021

20 November 2020

30 October 2020

16 March 2020

28 January 2020

5 January 2020

26 February 2019

17 February 2019

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11 February 2019

10 February 2019

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