Art of Problem Solving
During AMC 10A/12A testing, the AoPS Wiki is in read-only mode and no edits can be made.
PREPARE FOR THE AMC 10
Join outstanding instructors and top-scoring students in our online AMC 10 Problem Series course.
CHECK SCHEDULE

2020 AMC 10A Problems: Revision history

Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.

(newest | oldest) View (newer 50 | ) (20 | 50 | 100 | 250 | 500)

12 October 2025

13 August 2025

12 August 2025

11 August 2025

23 November 2024

29 February 2024

18 October 2023

29 December 2022

28 December 2022

19 September 2022

3 September 2022

27 July 2022

26 July 2022

22 July 2022

21 October 2021

12 June 2021

8 March 2021

12 February 2021

19 January 2021

17 January 2021

16 January 2021

10 January 2021

(newest | oldest) View (newer 50 | ) (20 | 50 | 100 | 250 | 500)