Oblicz 9^{\frac{3}{10}} : 27^{\frac{-4}{5}}
źródło:
{9^{\frac{3}{10}} \ : \ 27^{\frac{-4}{5}}=(3^2)^{\frac{3}{10}} \ : \ (3^3)^{\frac{-4}{5}}=3^{\frac{6}{10}}\ :\ 3^{-\frac{12}{5}}=3^{\frac{3}{5}-(-\frac{12}{5})}=3^{\frac{15}{5}}=3^3=27}