§ Задание 65
\[\boxed{\mathbf{3.}\mathbf{65}}\]
\[\textbf{а)}\ (1212 - 849 + 3781)\ :56 =\]
\[= 74\]

\[\textbf{б)}\ (14\ 844 - 2396 - 5566)\ :93 =\]
\[= 74\]

\[\boxed{\mathbf{3.}\mathbf{65}}\]
\[\textbf{а)}\ (1212 - 849 + 3781)\ :56 =\]
\[= 74\]

\[\textbf{б)}\ (14\ 844 - 2396 - 5566)\ :93 =\]
\[= 74\]
