Question

Помогите с алгеброй

Answer 1

$81^{-0,75} + bigg ( dfrac{1}{125} bigg )^{ -dfrac{1}{3} } - bigg ( dfrac{1}{32} bigg)^{ -dfrac{3}{5}} = 3^{-3}} + sqrt[3]{125} - sqrt[5]{32^3} = \ \ = dfrac{1}{27} + 5 -8 = dfrac{1}{27} - 3 = -dfrac{80}{27}$