\[\boxed{\mathbf{966\ (956).}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1) - 6 + ( - 5) = - 11\]
\[2) - 0,7 + ( - 2,8) = - 3,5\]
\[3) - 0,82 + ( - 0,18) = - 1\]
\[4) - \frac{5}{7} + \left( - \frac{9}{14} \right) = - \frac{10}{14} +\]
\[+ \left( - \frac{9}{14} \right) = - \frac{19}{14} = - 1\frac{5}{14}\]
\[5) - \frac{1}{4} + \left( - \frac{1}{6} \right) = - \frac{3}{12} +\]
\[+ \left( - \frac{2}{12} \right) = - \frac{5}{12}\]
\[6) - \frac{3}{8} + 0 = - \frac{3}{8}\]