Решение:
- \( \frac{1}{7} \cdot 91 = 13 \)
- \( \frac{1}{3} \cdot 84 = 28 \)
- \( \frac{1}{6} \cdot 98 = \frac{98}{6} = \frac{49}{3} \)
- \( \frac{1}{4} \cdot 68 = 17 \)
- \( \frac{1}{2} \cdot 58 = 29 \)
- \( \frac{1}{5} \cdot 65 = 13 \)
Ответ: 13, 28, \(\frac{49}{3}\), 17, 29, 13.