\[\boxed{\ \mathbf{970\ (970)}.\ Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1)\ 3,8 \cdot 1,7 - 36,24\ :12 = 3,44\]
\[3)\ 22,08 - 22,08\ :(74 - 26) =\]
\[= 22,08 - 22,08\ :48 = 21,62\]