§ Задание 54
\[\boxed{\mathbf{3.}\mathbf{54}}\]
\[1)\ 3540 - 6270\ :110 + 140 =\]
\[= 3623\]

\[2)\ 2130 + 9010\ :170 - 270 =\]
\[= 1913\]

\[\boxed{\mathbf{3.}\mathbf{54}}\]
\[1)\ 3540 - 6270\ :110 + 140 =\]
\[= 3623\]

\[2)\ 2130 + 9010\ :170 - 270 =\]
\[= 1913\]
