


\[\boxed{\mathbf{83\ (83)}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]

\[* = 5.\]

\[\boxed{\mathbf{83}.}\]
\[1)\ 37 \cdot 15 - 2525\ :25 =\]
\[= 555 - 101 = 454\]

\[2)\ (18 + 27 \cdot 12)\ :(290 - 119) =\]
\[= 342\ :171 = 2\]

\[18 + 324 = 342\]
\[290 - 119 = 171\]