§ Задание 104
\[\boxed{\mathbf{4.}\mathbf{104}}\]
\[\textbf{а)}\ z = - 45\ см;\]
\[\textbf{б)}\ z = + 20\ см;\ \]
\[\textbf{в)}\ z = - 2\ см;\]
\[\textbf{г)}\ z = + 3\ см.\ \]
\[\boxed{\mathbf{4.}\mathbf{104}}\]
\[\textbf{а)}\ z = - 45\ см;\]
\[\textbf{б)}\ z = + 20\ см;\ \]
\[\textbf{в)}\ z = - 2\ см;\]
\[\textbf{г)}\ z = + 3\ см.\ \]