\[\boxed{\mathbf{928\ (928)}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[\textbf{а)} - 8 \bullet 0,1 = - 0,8\]
\[\textbf{б)}\ 3,1 \bullet ( - 3) = - 9,3\]
\[\textbf{в)}\ ( - 1) \bullet ( - 5,7) = 5,7\]
\[\textbf{г)}\ 1 \bullet ( - 8,9) = - 8,9\]
\[\textbf{д)} - 17,3 \bullet 0 = 0\]
\[\textbf{е)} - 1,2 \bullet ( - 10) = 12\]