User contributions
- 10:00, 16 October 2017 (diff | hist) . . (+140) . . 1977 USAMO Problems/Problem 4 (→Solution 2)
- 09:59, 16 October 2017 (diff | hist) . . (+353) . . 1977 USAMO Problems/Problem 4 (→Solution 2)
- 09:57, 16 October 2017 (diff | hist) . . (+719) . . 1977 USAMO Problems/Problem 4 (→Solution 2)
- 09:48, 16 October 2017 (diff | hist) . . (+18) . . 1977 USAMO Problems/Problem 4 (→See Also)
- 08:18, 2 May 2016 (diff | hist) . . (-1) . . 1978 USAMO Problems/Problem 1 (→Solution 2)
- 12:00, 30 April 2016 (diff | hist) . . (+14) . . 1978 USAMO Problems/Problem 1 (→Solution 2)
- 11:58, 30 April 2016 (diff | hist) . . (+42) . . 1978 USAMO Problems/Problem 1 (→Solution 2)
- 11:57, 30 April 2016 (diff | hist) . . (+49) . . 1978 USAMO Problems/Problem 1 (→Solution 2)
- 11:55, 30 April 2016 (diff | hist) . . (-6) . . 1978 USAMO Problems/Problem 1 (→Solution 2)
- 11:53, 30 April 2016 (diff | hist) . . (+984) . . 1978 USAMO Problems/Problem 1 (→Solution 2)
- 11:35, 30 April 2016 (diff | hist) . . (+17) . . 1978 USAMO Problems/Problem 1 (→Solution)
