§ Задание 48
\[\boxed{\mathbf{4.}\mathbf{48}}\]
\[\textbf{а)} - 10\ и\ 4;\]
\[\textbf{б)} - 20\ и\ 20;\]
\[\textbf{в)} - 27\ и\ ( - 7);\]
\[\textbf{г)}\ 131\ и\ 331.\]
\[\boxed{\mathbf{4.}\mathbf{48}}\]
\[\textbf{а)} - 10\ и\ 4;\]
\[\textbf{б)} - 20\ и\ 20;\]
\[\textbf{в)} - 27\ и\ ( - 7);\]
\[\textbf{г)}\ 131\ и\ 331.\]