TeX Quellcode:
\begin{array}{rcl}\alpha + \beta + \gamma &=& 45^\circ +\dfrac{3\pi}{2} +\dfrac{\pi}{4} \\\\\alpha + \beta + \gamma &=& \dfrac{\pi}{4} +\dfrac{3\pi}{2} +\dfrac{\pi}{4} \\\\\alpha + \beta + \gamma &=& 2\pi \\\end{array}