\[\boxed{\mathbf{940\ (940).\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[3 < m < 4,\ \ - 3 < n < - 2\]
\[1) + \left| \begin{matrix} 6 < 2m < 8 \\ - 9 < 3n < - 6 \\ \end{matrix} \right.\ \]
\[\text{\ \ \ \ }\overline{- 3 < 2m + 3n < 2}\]
\[2) + \left| \begin{matrix} 0,6 < 0,2m < 0,8 \\ 2 < - n < 3\ \\ \end{matrix} \right.\ \]
\[\text{\ \ \ \ }\overline{\ 2,6 < 0,2m - n < 3,8}\]
\[3) + \left| \begin{matrix} - 20 < - 5m < - 15 \\ - 12 < 4n < - 8\ \ \\ \end{matrix} \right.\ \]
\[\text{\ \ \ \ }\overline{- 32 < - 5m + 4n < - 23}\]
\[4) - \frac{1}{2} < - \frac{1}{n} < - \frac{1}{3},\ \ \]
\[- \frac{3}{2} < \frac{m}{n} < - \frac{4}{3}\]
\[3 + \frac{4}{3} < m - \frac{m}{n} < 4 + \frac{2}{3}\]
\[4\frac{1}{3} < m - \frac{m}{n} < 5,5\]