\[\boxed{\mathbf{П.\ 10}}\]
\[\textbf{а)}\ \frac{3,636 \cdot \frac{5}{6}}{10,1} = \frac{0,606 \cdot 5}{10,1} =\]
\[= \frac{6,06 \cdot 5}{101} = 0,06 \cdot 5 = 0,3\]
\[\textbf{б)}\ \frac{0,5814 \cdot \frac{17}{19}}{3,06} = \frac{58,14 \cdot 17}{306 \cdot 19} =\]
\[= \frac{3,06}{18} = 0,17\]