User contributions
- 16:00, 31 December 2021 (diff | hist) . . (-2) . . 2013 AMC 12A Problems/Problem 13 (→See also)
- 16:00, 31 December 2021 (diff | hist) . . (+2) . . 2013 AMC 12A Problems/Problem 13 (→See also)
- 15:59, 31 December 2021 (diff | hist) . . (+93) . . 2013 AMC 12A Problems/Problem 13 (→See also)
- 22:26, 30 December 2021 (diff | hist) . . (-15) . . 2013 AMC 12A Problems/Problem 9 (→See also)
- 22:26, 30 December 2021 (diff | hist) . . (-14) . . 2013 AMC 12A Problems/Problem 9 (→See also)
- 22:25, 30 December 2021 (diff | hist) . . (+122) . . 2013 AMC 12A Problems/Problem 9 (→See also)