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c = 299792458; u = 299792458; v = (70 / 3.6); w = (u + v) / (1 + (u * v) / c^2); w;
c = 299792458; u = 299792458; v = (70 / 3.6); w = (u + v) / (1 + (u * v) / c^2); w;
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