§ Задание 149
\[\boxed{\mathbf{149.}}\]
\[x < 7.\]
\[\textbf{а)}\ x > 6:\]
\[Может,\ при\ x = 6,4.\]
\[\textbf{б)}\ \ x \geq 7:\]
\[Не\ может.\]
\[\boxed{\mathbf{149.}}\]
\[x < 7.\]
\[\textbf{а)}\ x > 6:\]
\[Может,\ при\ x = 6,4.\]
\[\textbf{б)}\ \ x \geq 7:\]
\[Не\ может.\]