\[\boxed{\mathbf{75}\mathbf{.}}\]
\[1)\ \sqrt[3]{2}\text{\ \ }и\ \ \sqrt[3]{3};\]
\[2 < 3;\]
\[2^{\frac{1}{3}} < 3^{\frac{1}{3}};\]
\[\sqrt[3]{2} < \sqrt[3]{3}.\]
\[2)\ \sqrt[4]{5}\ \ и\ \ \sqrt[4]{7};\]
\[5 < 7;\]
\[5^{\frac{1}{4}} < 7^{\frac{1}{4}};\]
\[\sqrt[4]{5} < \sqrt[4]{7}.\]