Завдання 5

а)

$\frac{16}{7}\times \frac{21}{256}$

б)

$\frac{15}{9}\times \frac{27}{40}$

в)

$\frac{13}{18}\times \frac{36}{26}$

г)

$\frac{24}{85}\times \frac{51}{42}$

д)

$\frac{56}{57}\times \frac{38}{24}$

е)

$\frac{24}{1440}\times \frac{360}{3}\times \frac{336}{360}$

ж)

$\frac{2}{5}\times \frac{5}{3}\times \frac{3}{7}\times \frac{7}{2}$

и)

$\frac{11}{12}\times \frac{3}{7}\times \frac{7}{11}\times \frac{12}{3}$

к)

$\frac{6}{8}\times \frac{9}{10}\times \frac{10}{12}\times \frac{16}{20}$

л)

$\frac{22}{5}\times \frac{1}{7}\times \frac{1}{11}\times \frac{1}{3}$

м)

$\frac{2}{7}\times \frac{3}{8}\times \frac{3}{10}\times \frac{4}{6}$

н)

$\frac{4}{3}\times \frac{2}{6}\times \frac{10}{3}\times \frac{11}{9}$