TeX Quellcode:

\begin{array}{crcl} \text{I} & 2\cdot 2+6\cdot 1 &=& 14 \cr \text{II} & 2+6\cdot 1 &=& 13 \cr\cr \text{I} & 4+6 &=& 14 \cr \text{II} & 2+6 &=& 13 \cr\cr \text{I} & 10 &=& 14 \cr \text{II} & 8 &=& 13 \end{array}