User contributions
- 16:02, 18 February 2019 (diff | hist) . . (+86) . . 2019 AMC 10B Problems/Problem 20 (Added a video solution)
- 18:26, 15 February 2019 (diff | hist) . . (+85) . . 2019 AMC 10B Problems/Problem 25 (Added a video solution)
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