TeX Quellcode:

\begin{array}{rclll} 8.100 &=& \dfrac{100}{3^{x-5}} &\vert & \text{Kehrwert bilden}\cr\cr \dfrac{1}{8.100} &=& \dfrac{3^{x-5}}{100} &\vert & \cdot 100\cr \dfrac{1}{81} &=& 3^{x-5}\cr 3^{-4} &=& 3^{x-5} &\vert & \log_3()\cr -4 &=& x-5 &\vert & +5\cr x &=& 1\in\mathbb{D} & & \rightarrow \quad P_2(1 \mid 8.100) \end{array}