TeX Quellcode:

\begin{array}{rcl} A_O &=& 6 a^2 \cr A_O &=& 6 \left(\sqrt[3]{V}\right)^2 \cr A_O &=& 6\left(\sqrt[3]{250 \, cm^3}\right)^2 \cr A_O &\approx& 238{,}11\, cm^2 \end{array}