TeX Quellcode:

\begin{array}{rcl}\alpha + \beta + \gamma &=& \dfrac{9\pi}{8} +30^\circ +\dfrac{2\pi}{5} \\\\\alpha + \beta + \gamma &=& \dfrac{9\pi}{8} +\dfrac{\pi}{6} +\dfrac{2\pi}{5} \\\\\alpha + \beta + \gamma &=& \dfrac{203\pi}{120} \\\alpha + \beta + \gamma & < & 2\pi\\\end{array}