§ 14
\[\boxed{\mathbf{В.\ 14}}\]
\[\textbf{а)}\ | - m| = m\]
\[m - любое\ число.\]
\[\textbf{б)}\ |m| = - m\]
\[нет\ таких\ m.\]
\[\textbf{в)}\ | - m| = |m|\]
\[m - любое\ число.\]
\[\boxed{\mathbf{В.\ 14}}\]
\[\textbf{а)}\ | - m| = m\]
\[m - любое\ число.\]
\[\textbf{б)}\ |m| = - m\]
\[нет\ таких\ m.\]
\[\textbf{в)}\ | - m| = |m|\]
\[m - любое\ число.\]