User contributions
- 11:51, 15 December 2020 (diff | hist) . . (-1) . . 2017 AMC 10B Problems/Problem 15 (→Solution 2)
- 11:51, 15 December 2020 (diff | hist) . . (+491) . . m 2017 AMC 10B Problems/Problem 15 (→Solution)
- 12:10, 10 May 2019 (diff | hist) . . (+44) . . 2008 AIME I Problems/Problem 11 (→Solution 1b)
- 12:09, 10 May 2019 (diff | hist) . . (-20) . . 2008 AIME I Problems/Problem 11 (→Solutions)
- 12:03, 10 May 2019 (diff | hist) . . (+2,041) . . 2008 AIME I Problems/Problem 11 (→Solutions)
- 16:53, 12 January 2019 (diff | hist) . . (+257) . . Mass points (added history of the mass points technique)