\[\boxed{\mathbf{461\ (461).}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1)\ \left( 2\frac{13}{48} + 2\frac{5^{\backslash 4}}{12} \right)\ :3\frac{3}{4} - 9\frac{3}{4}\ :12 =\]
\[= 4\frac{13 + 20}{48}\ :\frac{15}{4} - \frac{39}{4} \cdot \frac{1}{12} =\]
\[= \frac{5^{\backslash 4}}{4} - \frac{13}{16} = \frac{20 - 13}{16} = \frac{7}{16}\]
\[\boxed{\mathbf{461}.}\]
\[1)\ 13\ :2 = 6,5\]
\[2)\ 6\ :4 = 1,5\]
\[3)\ 6\ :5 = 1,2\]
\[4)\ 1,5\ :0,3 = 15\ :3 = 5\]
\[5)\ 1,6\ :0,04 = 160\ :4 = 40\]
\[6)\ 0,24\ :0,8 = 2,4\ :8 = 0,3\]
\[7)\ 0,96\ :0,3 = 9,6\ :3 = 3,2\]
\[8)\ 10\ :25 = 0,4\]