Question

Найдите значение выражения 5*(1/5)2 - 16*1/5.

Answer 1

5*(1/5)^2 - 16*1/5 =5/25 - 16/5 = 5/25 - 80/25 = -75/25 = -3

Answer 2

5*(1/5)2 - 16*1/5.=

1/5-16/5=-15/5=-3