User contributions
- 20:19, 18 August 2020 (diff | hist) . . (-2,634) . . 2005 AMC 10B Problems/Problem 21 (→Solution 2 (order does not matter))
- 20:18, 18 August 2020 (diff | hist) . . (+2,634) . . 2005 AMC 10B Problems/Problem 21 (→Solution 2 (order does not matter))