User contributions
- 20:43, 9 January 2022 (diff | hist) . . (-1) . . 2021 Fall AMC 12B Problems/Problem 9 (→Solution 3)
- 20:41, 9 January 2022 (diff | hist) . . (+263) . . 2021 Fall AMC 12B Problems/Problem 9 (→Solution 3)
- 20:34, 9 January 2022 (diff | hist) . . (+753) . . 2021 Fall AMC 12B Problems/Problem 9