Найдите произведение: 1) 7 · 4/37; 2) 7/15 · 3; 3) 8/13 · 26; 4) 3 3/8 · 7/9.

1. \(7\cdot\frac{4}{37}=\frac{28}{37}\).
2. \(\frac{7}{15}\cdot3=\frac{21}{15}=\frac{7}{5}=1\frac{2}{5}\).
3. \(\frac{8}{13}\cdot26=8\cdot2=16\).
4. \(3\frac{3}{8}\cdot\frac{7}{9}=\frac{27}{8}\cdot\frac{7}{9}=\frac{3}{8}\cdot7=\frac{21}{8}=2\frac{5}{8}\).

Ответ: 1) \(\frac{28}{37}\); 2) \(1\frac{2}{5}\); 3) \(16\); 4) \(2\frac{5}{8}\).