\[= \left( \frac{11^{\backslash 7}}{4} + \frac{1^{\backslash 4}}{7} - \frac{17}{28} \right)\ :\frac{133 - 100}{56} =\]
\[= \frac{77 + 72 - 17}{28}\ :\frac{33}{56} =\]
\[= \frac{132 \cdot 56}{28 \cdot 33} = 8\]