Odpowiedź:
[tex]g)\ \ 4\frac{1}{5}:7=\frac{\not21^3}{5}\cdot\frac{1}{\not7_{1}}=\frac{3}{5}\\\\h)\ \ 2\frac{4}{7}:9=\frac{\not18^2}{7}\cdot\frac{1}{\not9_{1}}=\frac{2}{7}\\\\i)\ \ 20\frac{2}{3}:31=\frac{\not62^2}{3}\cdot\frac{1}{\not31_{1}}=\frac{2}{3} [/tex]
