Ответ:
\(2\frac{1}{3}=\frac{7}{3}\), \(3\frac{3}{5}=\frac{18}{5}\).
\[\frac{7}{3}\cdot\frac{18}{5}=\frac{7\cdot6}{5}=\frac{42}{5}=8\frac{2}{5}.\]
Ответ: \(8\frac{2}{5}\), вариант 4.
\(2\frac{1}{3}=\frac{7}{3}\), \(3\frac{3}{5}=\frac{18}{5}\).
\[\frac{7}{3}\cdot\frac{18}{5}=\frac{7\cdot6}{5}=\frac{42}{5}=8\frac{2}{5}.\]
Ответ: \(8\frac{2}{5}\), вариант 4.