§ Задание 155
\[\boxed{\mathbf{4.}\mathbf{155}}\]
\[\textbf{а)} - 4\ и\ 10;\]
\[\textbf{б)} - 7\ и\ 3;\]
\[\textbf{в)} - 15\ и\ ( - 11);\]
\[\textbf{г)} - 2\ и\ 20.\]
\[\boxed{\mathbf{4.}\mathbf{155}}\]
\[\textbf{а)} - 4\ и\ 10;\]
\[\textbf{б)} - 7\ и\ 3;\]
\[\textbf{в)} - 15\ и\ ( - 11);\]
\[\textbf{г)} - 2\ и\ 20.\]