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- 19:12, 22 June 2020 (diff | hist) . . (+958) . . N 2020 USOJMO Problems/Problem 4 (Created page with "Let <math>G</math> be the intersection of <math>AE</math> and <math>(ABCD)</math> and <math>H</math> be the intersection of <math>DF</math> and <math>(ABCD)</math>. [b][color=...")
- 14:42, 15 June 2020 (diff | hist) . . (+5,450) . . 2019 USAJMO Problems/Problem 4 (→Solution 3)
- 22:13, 14 June 2020 (diff | hist) . . (+5,145) . . 2018 USAMO Problems/Problem 5 (→Solution)
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