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Tri-2017-1370, center, general

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작성자: komath

라벨: center, general, problem, triangle

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<Cir-2024-760>, hint Let M be the midpoint of PQ and O' S O" cuts O" at N . Quadrilaterals SMPO' and SO"QM are...
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Tri-2017-1370, center, general

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