§ Задание 56
\[\boxed{\mathbf{56.}}\]
\[45 + 1 = 46\]
\[45 + 10 = 55\]
\[53 - 1 = 52\]
\[53 - 10 = 43\]
\[32 + 10 = 42\]
\[32 - 10 = 22\]
\[74 - 10 = 64\]
\[74 + 10 = 84\]
\[\boxed{\mathbf{56.}}\]
\[45 + 1 = 46\]
\[45 + 10 = 55\]
\[53 - 1 = 52\]
\[53 - 10 = 43\]
\[32 + 10 = 42\]
\[32 - 10 = 22\]
\[74 - 10 = 64\]
\[74 + 10 = 84\]