User contributions
- 17:22, 26 January 2021 (diff | hist) . . (+179) . . 2020 AMC 10A Problems/Problem 1 (Undo revision 143337 by Probanterjr (talk)) (Tag: Undo)
- 17:21, 26 January 2021 (diff | hist) . . (-179) . . 2020 AMC 10A Problems/Problem 1 (→Solution)