Question

Вычислить.$frac{ 5^{3} }{3} - frac{5* 5^{2} }{2}$

Answer 1

$frac{ 5^{3} }{3} - frac{5* 5^{2} }{2} = frac{5^3*2-5^3-3}{3*2} = frac{5^3(2-3)}{6}=- frac{5^3}{6} =- frac{125}{6} =-20 frac{5}{6}$