User contributions for X ray
21 August 2019
- 11:4211:42, 21 August 2019 diff hist +3 1995 AJHSME Problems/Problem 22 →Solution
- 11:3711:37, 21 August 2019 diff hist −11 1995 AJHSME Problems/Problem 22 →Solution
19 August 2019
13 August 2019
- 11:1611:16, 13 August 2019 diff hist −1 1993 AJHSME Problems/Problem 7 →Solution current