\[\boxed{\mathbf{1018\ (1018)}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[7\ :\left( \frac{5^{\backslash 3}}{8} + \frac{5^{\backslash 4}}{6} \right) + \left( 3\frac{1}{9} - \frac{1^{\backslash 3}}{3} \right) \cdot \left( \frac{3}{10} \right)^{2} = 7\ :\frac{15 + 20}{24} + \frac{28 - 3}{9} \cdot \frac{9}{100} =\]
\[= \frac{7 \cdot 24}{35} + \frac{25 \cdot 9}{9 \cdot 100} = 4\frac{4^{\backslash 4}}{5} + \frac{1^{\backslash 5}}{4} = 4 + \left( \frac{16 + 5}{20} \right) = 4 + \frac{21}{20} = 5\frac{1}{20}\]