§ Задание 424
\[\boxed{\mathbf{2.}\mathbf{424}}\]

\[21,3 - 18,9 = 2,4\]
\[24,72\ :2,4 = 247,2\ :24 = 10,3\]
\[60,31 + 10,3 = 70,61\]

\[2)\ 110,864\ :(4,1 \cdot 5,2) + 3,74 =\]
\[= 5,2 + 3,74 = 8,94\]

\[\boxed{\mathbf{2.}\mathbf{424}}\]

\[21,3 - 18,9 = 2,4\]
\[24,72\ :2,4 = 247,2\ :24 = 10,3\]
\[60,31 + 10,3 = 70,61\]

\[2)\ 110,864\ :(4,1 \cdot 5,2) + 3,74 =\]
\[= 5,2 + 3,74 = 8,94\]
