User contributions
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- 15:32, 15 April 2012 (diff | hist) . . (-6) . . 1994 USAMO Problems/Problem 4
- 15:31, 15 April 2012 (diff | hist) . . (+131) . . 1994 USAMO Problems/Problem 4 (→Solution)
- 15:29, 15 April 2012 (diff | hist) . . (-1) . . 1993 USAMO Problems/Problem 1
- 15:29, 15 April 2012 (diff | hist) . . (+4) . . 1993 USAMO Problems/Problem 5
- 15:29, 15 April 2012 (diff | hist) . . (0) . . 1993 USAMO Problems/Problem 1
- 15:28, 15 April 2012 (diff | hist) . . (+7) . . 1993 USAMO Problems/Problem 5
- 15:28, 15 April 2012 (diff | hist) . . (0) . . 1993 USAMO Problems/Problem 5 (→Problem 4)
- 00:25, 14 April 2012 (diff | hist) . . (+1) . . m 1993 USAMO Problems/Problem 3 (→Solution)
- 00:51, 13 April 2012 (diff | hist) . . (0) . . m 1992 USAMO Problems/Problem 3 (→Solution)
- 23:50, 11 April 2012 (diff | hist) . . (+166) . . 1983 USAMO
- 23:48, 11 April 2012 (diff | hist) . . (+45) . . 1983 USAMO (→1983 USAMO Problems)
- 23:46, 11 April 2012 (diff | hist) . . (+40) . . 1979 USAMO Problems/Problem 2
- 23:45, 11 April 2012 (diff | hist) . . (+41) . . 1979 USAMO Problems/Problem 3
- 23:45, 11 April 2012 (diff | hist) . . (0) . . 1979 USAMO Problems/Problem 4 (→See Also)
- 23:45, 11 April 2012 (diff | hist) . . (+14) . . 1979 USAMO Problems/Problem 4
- 23:44, 11 April 2012 (diff | hist) . . (+25) . . 1979 USAMO Problems/Problem 5
- 23:43, 11 April 2012 (diff | hist) . . (+1) . . 1979 USAMO Problems/Problem 5 (→Problem)
- 23:43, 11 April 2012 (diff | hist) . . (+66) . . 1979 USAMO Problems/Problem 5
- 23:43, 11 April 2012 (diff | hist) . . (+41) . . 1979 USAMO Problems/Problem 4
- 23:42, 11 April 2012 (diff | hist) . . (+41) . . 1979 USAMO Problems/Problem 3
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