г) $$3\frac{1}{14}\cdot 17\frac{7}{29}-3\frac{1}{14}$$

г) $$3\frac{1}{14}\cdot 17\frac{7}{29}-3\frac{1}{14} = 3\frac{1}{14} \cdot (17\frac{7}{29} - 1) = 3\frac{1}{14} \cdot 16\frac{7}{29} = \frac{43}{14} \cdot \frac{471}{29} = \frac{20253}{406} = 49\frac{329}{406}$$

Ответ: $$49\frac{329}{406}$$