Odpowiedź:
[tex]b)\ \ \sqrt[3]{-27:64}+\sqrt[3]{0,125:\frac{1}{8}}=\sqrt[3]{-\frac{27}{64}}+\sqrt[3]{\frac{125}{1000}:\frac{1}{8}}=-\frac{3}{4}+\sqrt[3]{\frac{1}{\not8}\cdot\not8}=-\frac{3}{4}+\sqrt[3]{1}=\\\\=-\frac{3}{4}+1=-\frac{3}{4}+\frac{4}{4}=\frac{1}{4}[/tex]
[tex]d)\ \ \sqrt[3]{0,008:(-15\frac{5}{8})}+\sqrt{81:1,44}=\sqrt[3]{0,008}:\sqrt[3]{(-15\frac{5}{8})} +\sqrt{81}:\sqrt{1,44}=\\\\=\sqrt[3]{\frac{8}{1000}}:\sqrt[3]{(-\frac{125}{8})}+9:\sqrt{\frac{144}{100}}=\sqrt[3]{\frac{1}{125}}:(-\frac{5}{2})+9:\sqrt{\frac{36}{25}}=\frac{1}{5}\cdot(-\frac{2}{5})+9:\frac{6}{5}=\\\\=-\frac{2}{25}+\not9^3\cdot\frac{5}{\not6_{2}}=-\frac{2}{25}+\frac{15}{2}=-\frac{4}{50}+\frac{375}{50}=\frac{371}{50}=7\frac{21}{50}[/tex]
