TeX Quellcode:

\begin{array}{rcl} -18 &=& \left\vert \dfrac{7}{2} \cdot \left(\sqrt{\frac{8}{5}}\right)^2-2 \right\vert \cdot 3-\dfrac{9}{2} \cdot \left(\sqrt{\frac{8}{5}}\right)^2 \cr 18 &=& \dfrac{18}{5} \end{array}