5.541 Вычислите:

a)

\(5 : \frac{2}{3} = 5 \cdot \frac{3}{2} = \frac{15}{2}\)

б)

\(\frac{3}{8} : \frac{1}{3} = \frac{3}{8} \cdot 3 = \frac{9}{8}\)

в)

\(\frac{1}{12} : \frac{5}{36} = \frac{1}{12} \cdot \frac{36}{5} = \frac{3}{5}\)

г)

\(\frac{14}{55} : \frac{5}{21} = \frac{14}{55} \cdot \frac{21}{5} = \frac{294}{275}\)

д)

\(\frac{121}{234} : \frac{11}{12} = \frac{121}{234} \cdot \frac{12}{11} = \frac{11 \cdot 12}{234} = \frac{132}{234} = \frac{11}{19.5}\)