§ Задание 57
\[\boxed{\mathbf{57}\mathbf{.}}\]
\[39 + 11 = 50\]
\[38 + 22 = 60\]
\[37 + 33 = 70\]
\[36 + 44 = 80\]
\[35 + 55 = 90\]
\[34 + 66 = 100\]
\[\boxed{\mathbf{57}\mathbf{.}}\]
\[39 + 11 = 50\]
\[38 + 22 = 60\]
\[37 + 33 = 70\]
\[36 + 44 = 80\]
\[35 + 55 = 90\]
\[34 + 66 = 100\]