\[\boxed{\mathbf{1.}}\]
\[\textbf{а)}\]
\[\textbf{б)}\ \]
\[\boxed{\mathbf{2.}}\]
\[\textbf{а)}\]
\[Проверка:\]
\[\textbf{б)}\]
\[Проверка:\]
\[\boxed{\mathbf{3.}}\]
\[(56 - 29)\ :3 = 27\ :3 =\]
\[= 9\ (пакетов) - с\ крупой\ \]
\[получилось.\]
\[Ответ:9\ пакетов.\]
\[\boxed{\mathbf{4.}}\]
\[\textbf{а)}\ 195\ 776\ :46 = 4256\]
\[\textbf{б)}\ 17\ 232\ :359 = 48\]
\[\textbf{в)}\ 695\ 328\ :7243 = 96\]
\[\textbf{г)}\ 2\ 527\ 931\ :83 = 30\ 457\]