User contributions
- 01:41, 3 August 2019 (diff | hist) . . (0) . . 1959 IMO Problems/Problem 4 (→Solution 3)
- 01:40, 3 August 2019 (diff | hist) . . (0) . . 1959 IMO Problems/Problem 4 (→Solution 3)
- 01:31, 3 August 2019 (diff | hist) . . (+182) . . 1959 IMO Problems/Problem 4 (→Solution 3)
- 02:20, 1 August 2019 (diff | hist) . . (+4) . . 1959 IMO Problems/Problem 3
- 02:20, 1 August 2019 (diff | hist) . . (-18) . . 1959 IMO Problems/Problem 3
- 01:54, 1 August 2019 (diff | hist) . . (-1) . . 1959 IMO Problems/Problem 3
- 01:53, 1 August 2019 (diff | hist) . . (+1) . . m 1959 IMO Problems/Problem 3
- 01:51, 1 August 2019 (diff | hist) . . (0) . . m 1959 IMO Problems/Problem 3 (Incorrect sign on 8 cos 2x in the last equation)