User contributions
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- 22:56, 18 June 2022 (diff | hist) . . (+1) . . 2010 AMC 12B Problems/Problem 18 (→Solution 2 (Simple Calculus))
- 17:49, 10 August 2021 (diff | hist) . . (+9) . . 1983 IMO Problems (→Problem 6) (current)
- 01:20, 10 August 2021 (diff | hist) . . (+19) . . 1990 IMO Problems (→Problem 5)
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