\[Дано:\ \ 4 < x < 5\ \ \ \ и\ \ \]
\[- 2 < y < - 1.\]
\[:\ \left| \begin{matrix} 4 < x < 5 \\ - 2 < y < - 1 \\ \end{matrix} \right.\ \]
\[\text{\ \ \ \ \ \ \ \ }\overline{\begin{matrix} \ \ \ - 2 > \frac{x}{y} > - 5\ \ \ \\ - 5 < \frac{x}{y} < - 2 \\ \end{matrix}}\]