м) $$ 1 \frac{1}{17} \cdot 3 \frac{1}{2} = \frac{18}{17} \cdot \frac{7}{2} = \frac{18 \cdot 7}{17 \cdot 2} = \frac{126}{34} = \frac{63}{17} = 3 \frac{12}{17} $$
Ответ: $$3 \frac{12}{17}$$