poprosze zad 14 e,f,g,i

Poprosze Zad 14 Efgi class=

Odpowiedź :

Odpowiedź:

[tex]e)\ \ \sqrt[3]{-1\frac{3}{5}}:\sqrt[3]{-12\frac{4}{5}}=\sqrt[3]{1\frac{3}{5}:12\frac{4}{5}}=\sqrt[3]{\frac{8}{5}:\frac{64}{5}}=\sqrt[3]{\frac{\not8^1}{\not5_{1}}\cdot\frac{\not5^1}{\not64_{8}}}=\sqrt[3]{\frac{1}{8}}=\frac{1}{2}\\\\\\f)\ \ \frac{\sqrt[3]{1000000}}{\sqrt[3]{1000}}=\sqrt[3]{\frac{1000000}{1000}}=\sqrt[3]{1000}=10[/tex]

[tex]g)\ \ \frac{\sqrt[3]{0,008}}{\sqrt[3]{0,001}}=\sqrt[3]{\frac{0,008}{0,001}}=\sqrt[3]{8}=2\\\\\\i)\ \ \sqrt[3]{91\frac{1}{8}}:\sqrt[3]{3\frac{3}{8}}=\sqrt[3]{91\frac{1}{8}:3\frac{3}{8}}=\sqrt[3]{\frac{729}{8}:\frac{27}{8}}=\sqrt[3]{\frac{\not729^2^7}{\not8_{1} }\cdot\frac{\not8^1}{\not27_{1}}}=\sqrt[3]{27}=3[/tex]