\[\boxed{\mathbf{788\ (788)}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[\textbf{а)} - 48\ :12 = - 4\]
\[\textbf{б)}\ 64\ :( - 4) = - 16\]
\[\textbf{в)}\ 12\ :( - 1) = - 12\]
\[\textbf{г)} - 30\ :( - 10) = 30\ :10 = 3\]
\[\textbf{д)} - 78\ :( - 6) = 78\ :6 = 13\]
\[\textbf{е)}\ 99\ :( - 11) = - 9\]
\[\textbf{ж)} - 100\ :5 = - 20\]
\[\textbf{з)} - 850\ :( - 85) = 850\ :85 = 10\]
\[\textbf{и)}\ 360\ :( - 12) = - 30\]
\[к) - 1\ :( - 1) = 1\ :1 = 1\]
\[л) - 18\ :18 = - 1\]
\[м) - 270\ :( - 30) = 270\ :30 = 27\ :3 = 9\]