§ Задание 60
\[\boxed{\mathbf{60.}}\]
\[Ответ\ 30:\]
\[40 - 10\]
\[20 + 10\]
\[31 - 1\]
\[29 + 1\]
\[Ответ\ 40:\]
\[30 + 10\]
\[50 - 10\]
\[39 + 1\]
\[41 - 1\]
\[\boxed{\mathbf{60.}}\]
\[Ответ\ 30:\]
\[40 - 10\]
\[20 + 10\]
\[31 - 1\]
\[29 + 1\]
\[Ответ\ 40:\]
\[30 + 10\]
\[50 - 10\]
\[39 + 1\]
\[41 - 1\]