§ Задание 12
\[\boxed{\mathbf{2.}\mathbf{12}}\]
\[\textbf{а)}\ 37 \cdot 3 = 111\]

\[\textbf{б)}\ 7 \cdot 11 \cdot 13 = 77 \cdot 13 = 1001\]

\[\textbf{в)}\ 11 \cdot 101 = 1111\]

\[\boxed{\mathbf{2.}\mathbf{12}}\]
\[\textbf{а)}\ 37 \cdot 3 = 111\]

\[\textbf{б)}\ 7 \cdot 11 \cdot 13 = 77 \cdot 13 = 1001\]

\[\textbf{в)}\ 11 \cdot 101 = 1111\]
