\[\boxed{\mathbf{563.}ОК\ ГДЗ\ –\ домашка\ на\ 5}\]
\[Рисунок\ к\ задаче:157.\]
\[\textbf{а)}\ Вектор\ \overrightarrow{CC_{1}}:\]
\[CC_{1} \parallel DD_{1}\ и\ \ CC_{1} = DD_{1}.\]
\[\textbf{б)}\ Вектор\ \overrightarrow{\text{DK}}:\]
\[CM \parallel DK\ и\ \ CM = DK\ \]
\[\textbf{в)}\ Вектор\ \overrightarrow{A_{1}C_{1}}:\]
\[A_{1}C_{1} \parallel AC\ и\ \ A_{1}C_{1} = AC\ \]
\[\textbf{г)}\ Вектор\ \overrightarrow{C_{1}B_{1}}:\]
\[C_{1}B_{1} \parallel CB;\text{\ \ }\]
\[C_{1}B_{1} = CB.\]
\[\textbf{д)}\ Вектор\ \overrightarrow{MB_{1}}:\]
\[MB_{1} \parallel KA_{1};\ \]
\[MB_{1} = KA_{1}.\]
\[Ответ:\ \ а)\ \overrightarrow{CC_{1}};\ \ б)\ \overrightarrow{\text{DK}};\ \ в)\ \overrightarrow{A_{1}C_{1}};\ \ \]
\[\textbf{г)}\ \overrightarrow{C_{1}B_{1}};\ \ д)\ \overrightarrow{MB_{1}}.\]
\[Параграф\ 2.\ Сложение\ и\ вычитание\ векторов\]