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simplify floor (L*L/8.0 - 14498*L/63125 - 75 * ((pow(2, 1/7.0) - 2^(L/7.0))/(pow(2, 1/7.0)-1)))
simplify floor (L*L/8.0 - 14498*L/63125 - 75 * ((pow(2, 1/7.0) - 2^(L/7.0))/(pow(2, 1/7.0)-1)))
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