<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">%% 
%%  Ein Beispiel der DANTE-Edition
%%  Mathematiksatz mit LaTeX
%%  3. Auflage
%%  Beispiel 10-03-4 auf Seite 217.
%%  Copyright (C) 2018 Herbert Voss
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%%  See http://www.latex-project.org/lppl.txt for details.
%% 
%% ==== 
% Show page(s) 1
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\documentclass[10pt]{screxa}
\pagestyle{empty}
\setlength\textwidth{352.81416pt}
\AtBeginDocument{\setlength\parindent{0pt}}
%StartShownPreambleCommands

%StopShownPreambleCommands
\begin{document}
\[ \left(
\begin{array}{c@{}c@{}c}
  \begin{array}{|cc|}\hline
    a_{11} &amp; a_{12} \\a_{21} &amp; a_{22} \\\hline
  \end{array} &amp; 0 &amp; 0 \\
  0 &amp; \begin{array}{|ccc|}\hline
        b_{11} &amp; b_{12} &amp; b_{13}\\
        b_{21} &amp; b_{22} &amp; b_{23}\\
        b_{31} &amp; b_{32} &amp; b_{33}\\\hline
      \end{array} &amp; 0 \\
0 &amp; 0 &amp; \begin{array}{|cc|}\hline
          c_{11} &amp; c_{12} \\  c_{21} &amp; c_{22} \\\hline
        \end{array}
\end{array}
\right) \]
\end{document}
</pre></body></html>