TeX Quellcode:

\begin{array}{rcl}-\sqrt{\dfrac{3}{2}\cdot 2.592+81}+7 &=& -2-\sqrt{2\cdot 2.592} \cr -\sqrt{3.969}+7 &=& -2-\sqrt{5.184} \cr -63+7 &=& -2-72 \cr -56 &=& -74\end{array}