Question

Вычислите: (0,25)^-0,5 - 81^0,75 + (0,04)^-1,5

Answer 1

(1/4)^-1/2-(3^4)^3/4+(1/25)^-3/2=4^1/2-3^3+25^3/2=(2^2)^1/2-27+(5^2)^3/2=2-27+5^3=2-27+125=100

Answer 2

$(sqrt{(frac{1}{4})})^{-1} -(sqrt[4]{81})^{3} +(sqrt{0,04})^{-3} =\\= (frac{1}{2})^{-1} -3^{3}+(0,2)^{-3}=2-27+125=100$