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Alexis Lemaire
Mental Calculation
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Alexis Lemaire
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Record Description
Mental Calculation
Mental Calculation: 13th root of a 200 digit number: 70.2 seconds. Dr. Alexis Lemaire (France)
Mental Calculation
Mental Calculation: 13th root of a 100 digit number: 13.55 seconds. Dr. Alexis Lemaire (France)