§ Задание 69
\[\boxed{\mathbf{69.}}\]
\[78 + 1 = 79\]
\[178 + 1 = 179\]
\[60 + 1 = 61\]
\[260 + 1 = 261\]
\[29 + 1 = 30\]
\[429 + 1 = 430\]
\[\boxed{\mathbf{69.}}\]
\[78 + 1 = 79\]
\[178 + 1 = 179\]
\[60 + 1 = 61\]
\[260 + 1 = 261\]
\[29 + 1 = 30\]
\[429 + 1 = 430\]