Odpowiedź:
a) [tex]\frac{2}{9} : \frac{7}{3} = \frac{2}{9} * \frac{3}{7} = \frac{2}{21}[/tex]
b) [tex]\frac{1}{9} : \frac{5}{12} = \frac{1}{9} * \frac{12}{5} = \frac{4}{15}[/tex]
d) [tex]\frac{8}{15} : \frac{3}{20} = \frac{8}{15} * \frac{20}{3} = \frac{32}{3} = 10 \frac{2}{3}[/tex]
