§ Задание 27
\[\boxed{\mathbf{27.}}\]
\[28 + 2 = 30 < 40\]
\[28 + 22 = 50 > 40\]
\[57 + 3 = 60 < 70\]
\[57 + 23 = 80 > 70\]
\[74 + 6 = 80 < 100\]
\[74 + 26 = 100\]
\[\boxed{\mathbf{27.}}\]
\[28 + 2 = 30 < 40\]
\[28 + 22 = 50 > 40\]
\[57 + 3 = 60 < 70\]
\[57 + 23 = 80 > 70\]
\[74 + 6 = 80 < 100\]
\[74 + 26 = 100\]