User contributions
- 14:56, 4 February 2019 (diff | hist) . . (+1) . . 2017 AMC 12B Problems/Problem 19 (→Solution 2)
- 14:56, 4 February 2019 (diff | hist) . . (-6) . . 2017 AMC 12B Problems/Problem 19 (→Solution 2)
- 14:55, 4 February 2019 (diff | hist) . . (+271) . . 2017 AMC 12B Problems/Problem 19 (→Solution)