User contributions
- 22:05, 5 November 2021 (diff | hist) . . (+27) . . m 2019 AMC 10A Problems/Problem 19 (→Solution 4)
- 21:59, 5 November 2021 (diff | hist) . . (+1) . . 2019 AMC 10A Problems/Problem 15 (→Solution 4 (Arithmetic Sequence))
- 21:59, 5 November 2021 (diff | hist) . . (+20) . . 2019 AMC 10A Problems/Problem 15 (→Solution 4 (Arithmetic Sequence))
