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12:38
Sweden Math Olympiad | A Very Nice Geometry Problem | Find the area of the circle
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15:31
How To Solve Without Using Trigonometry?
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17:16
Problema de geometria da Olimpíada de Matemática dos EUA | Encontre o raio do semicírculo
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16:03
Olimpíada de Matemática da Alemanha | Um Problema de Geometria Muito Bom
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15:38
Canada Math Olympiad Problem | A Very Nice Geometry Challenge
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17:10
Italy l Very Nice Olympiad Math Exponential Problem l find value of x?
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23:39
O movimento divino de Bobby Fischer leva o mundo inteiro do xadrez ao colapso! | "Jogo do século"
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13:21