\[\boxed{\ \mathbf{1475}\mathbf{\ (1180)}.\ Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1)\ (42,3 - 5,4) \cdot \frac{5}{6} =\]
\[= 36,9\ :6 \cdot 5 = 6,15 \cdot 5 = 30,75\]
\[2)\ 14,4\ :0,01 \cdot \frac{7}{12} =\]
\[= 1440\ :12 \cdot 7 = 120 \cdot 7 = 840\]