User contributions for Math9990
8 August 2020
7 August 2018
- 18:0018:00, 7 August 2018 diff hist 0 m 2017 AMC 10B Problems →Problem 1
- 16:3116:31, 7 August 2018 diff hist 0 m 2017 AMC 10B Problems →Problem 1
4 February 2018
- 14:0914:09, 4 February 2018 diff hist −123 m 2017 AMC 12A Problems/Problem 22 →Solution
- 14:0814:08, 4 February 2018 diff hist +123 m 2017 AMC 12A Problems/Problem 22 →Solution
28 November 2017
21 October 2017
23 November 2016
- 11:0711:07, 23 November 2016 diff hist +18 N 2016 AMC 8 Problems/Problem 6 Created page with "Why is this empty?"