Mach eine Matrix draus und lass Dir
https://www.geogebra.org/m/njtyusk8
helfen
\(\small \begin{array}{l}{Zeile_{2} += Zeile_{1} (-1)} \\ {Zeile_{3} += Zeile_{1} (-2)} \\ {Zeile_{3} += Zeile_{2} (-2)} \\ {Zeile_{2} += Zeile_{3} (1)} \\ {Zeile_{3} = Zeile_{3} (1/3)} \\ {Zeile_{1} += Zeile_{3} (-2)} \\ {Zeile_{2} = Zeile_{2} (-1/3)} \\ {Zeile_{1} += Zeile_{2} (-2)} \\ \end{array} \)
