Ответ:

  1. Вычислим корни: \(\sqrt[3]{-125}=-5\), \(\sqrt[6]{64}=2\).

    \(-5+\frac18\cdot2=-5+\frac14=-\frac{19}{4}\).

  2. \(\sqrt[5]{32}=2\), \(\sqrt[3]{-216}=-6\).

    \(2-0.5\cdot(-6)=2+3=5\).

  3. \(\sqrt[4]{81}=3\), \(\sqrt[4]{625}=5\).

    \(-\frac13\cdot3+5=-1+5=4\).

  4. \(\sqrt[3]{-1000}=-10\), \(\sqrt[4]{256}=4\).

    \(-10-\frac14\cdot4=-10-1=-11\).

  5. \(\sqrt[5]{\frac1{243}}=\frac13\), \(\sqrt[3]{-0.001}=-0.1\), \(\sqrt[4]{0.0016}=0.2\).

    \(\frac13-0.1-0.2=\frac13-\frac3{10}=\frac1{30}\).

Ответ: 1) \(-\frac{19}{4}\); 2) 5; 3) 4; 4) −11; 5) \(\frac1{30}\).