Question

Помогите пожалуйста, только б​

Answer 1

$\displaystyle 5\frac{4}{7}:1\frac{5}{21}-(5\frac{2}{15}*\frac{3}{22}+1\frac{14}{15})=\frac{39}{7}:\frac{26}{21}-(\frac{77}{15}*\frac{3}{22}+\frac{29}{15})=\frac{39}{7}*\frac{21}{26}-(\frac{7}{5}*\frac{1}{2}+\frac{29}{15})=\\\\3*\frac{3}{2}-(\frac{7}{10}+\frac{29}{15})=\frac{9}{2}-\frac{79}{30}=\frac{28}{15}=1\frac{13}{15}$