2. Найдите произведение:

Решение:

1. \( 4 \cdot \frac{2}{41} = \frac{4}{1} \cdot \frac{2}{41} = \frac{4 \cdot 2}{1 \cdot 41} = \frac{8}{41} \)
2. \( 6 \cdot \frac{7}{18} = \frac{6}{1} \cdot \frac{7}{18} = \frac{6 \cdot 7}{1 \cdot 18} = \frac{42}{18} = \frac{7}{3} \)
3. \( \frac{5}{14} \cdot 28 = \frac{5}{14} \cdot \frac{28}{1} = \frac{5 \cdot 28}{14 \cdot 1} = \frac{140}{14} = 10 \)

Ответ: 1) \( \frac{8}{41} \); 2) \( \frac{7}{3} \); 3) 10.