Um dos exames de matemática mais difíceis da Índia este ano
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World’s Toughest Exams: China vs Korea vs India
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The Man Who Solved the World’s Most Famous Math Problem
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How To Catch A Cheater With Math
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I visited the world's hardest math class
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How Imaginary Numbers Were Invented
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The Sad Story of India's Math Prodigy
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one year of studying (it was a mistake)
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