\[\boxed{\mathbf{764\ (764)}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1) - 3 - 2 = - 3 + ( - 2)\]
\[2) - 6 - 10 = - 6 + ( - 10) \neq - 6 - ( - 10)\]
\[3)\ 0 - ( - 1) = 0 + ( + 1) = 0 + 1\]
\[4) - 15 - ( - 2) = - 15 + ( + 2) = - 15 + 2 \neq - 15 + ( - 2)\]