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  • 15:19, 26 October 2018 (diff | hist) . . (+508). . N 2005 BMO Problems/Problem 1(Created page with "Let <math>ABC</math> be an acute-angled triangle whose inscribed circle touches <math>AB</math> and <math>AC</math> at <math>D</math> and <math>E</math> respectively. Let <mat...") (current)