Задание

Вычисли

\left(\dfrac{7}{8}\right)^2 = \dfrac{7}{8} \cdot \dfrac{7}{8} = \dfrac{49}{64};

\left(\dfrac{7}{8}\right)^3 = \dfrac{49}{64} \cdot \dfrac{7}{8} = \dfrac{343}{512}.

1) \left(\dfrac{3}{5}\right)^2 = ,

\left(1 \dfrac{1}{3}\right)^2 = ,

\left(2 \dfrac{1}{2}\right)^2 = ;

2) \left(\dfrac{3}{5}\right)^3 = ,

\left(1 \dfrac{1}{3}\right)^3 = ,

\left(2 \dfrac{1}{2}\right)^3 = .