TeX Quellcode:
\vec{a} = \begin{pmatrix}-\frac{5}{3} - \frac{10}{3}\cr\frac{71}{8} - \left(-\frac{49}{8}\right)\cr-\frac{1}{10} - \left(-\frac{651}{10}\right)\end{pmatrix} = \begin{pmatrix}-5\cr15\cr65\end{pmatrix}