User contributions
- 13:03, 20 August 2020 (diff | hist) . . (+1) . . m 2013 AMC 8 Problems/Problem 21 (→Problem)
- 16:53, 2 July 2020 (diff | hist) . . (+2) . . 2007 AMC 8 Problems/Problem 21 (→Problem)
- 16:52, 2 July 2020 (diff | hist) . . (-2) . . 2007 AMC 8 Problems/Problem 21 (→Salutation)
- 16:51, 2 July 2020 (diff | hist) . . (+2) . . 2007 AMC 8 Problems/Problem 21 (→Solution)