Ответ:
а) \(5\frac{1}{2}=\frac{11}{2}\), \(2\frac{2}{11}=\frac{24}{11}\).
\[\frac{11}{2}\cdot\frac{24}{11}=12\]
б) \(1\frac{3}{5}=\frac{8}{5}\), \(2\frac{5}{24}=\frac{53}{24}\).
\[\frac{8}{5}\cdot\frac{53}{24}=\frac{53}{15}=3\frac{8}{15}\]
Ответ: а) 12; б) \(3\frac{8}{15}\).
