Odpowiedź:
[tex]b)\ \ 25^{\frac{3}{4}}:125^{-\frac{5}{2}}=(5^2)^{\frac{3}{4}}:(5^3)^{-\frac{5}{2}}=5^{\frac{3}{2}}:5^{-\frac{15}{2}}=5^{\frac{3}{2}-(-\frac{15}{2})}=5^{\frac{3}{2}+\frac{15}{2}}=5^{\frac{18}{2}}=5^9\\\\\\c)\ \ 32^{\frac{7}{5}} \cdot\sqrt[3]{2^4}=32^{\frac{7}{5}}\cdot2^{\frac{4}{3}}=(2^5)^{\frac{7}{5}}\cdot2^{\frac{4}{3}}=2^7\cdot2^{\frac{4}{3}}=2^{7+\frac{4}{3}}=2^{\frac{25}{3}}[/tex]
