Ответ:
\(5\frac{7}{10}\cdot3\frac{1}{7}=\frac{57}{10}\cdot\frac{22}{7}=\frac{627}{35}\).
\(7\frac{1}{3}-4\frac{5}{9}=\frac{22}{3}-\frac{41}{9}=\frac{25}{9}\).
\(\frac{25}{9}:\frac{13}{6}=\frac{50}{39}\).
\(\frac{627}{35}-\frac{50}{39}=\frac{22703}{1365}\).
Ответ: \(\frac{22703}{1365}\).
