Вычислите 5*25 1/2-1/81^-1/4

Question

Вычислите
5*25 1/2-1/81^-1/4

Answer 1

1/81^-1/4 = (3^(-4))^(-1/4) = 3
5*25 1/2 = 5*51/2 = 255/2
255/2 - 3 = 255/2 - 6/2 = (255 - 6)/2 = 249/2 = 124 1/2

Ответ: 124 1/2