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%%  Ein Beispiel der DANTE-Edition
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%%  2. Auflage
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%%  Beispiel 12-04-15 auf Seite 608.
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%%  Copyright (C) 2016 Herbert Voss
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%%  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.
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\documentclass[]{exaarticle2}
\pagestyle{empty}
\setlength\textwidth{193.16928pt}
\setlength{\parindent}{0em}
%StartShownPreambleCommands
\usepackage{mathspec}%% XeLaTeX
\setmathsfont(Latin){Bitstream Vera Sans}
\setmathsfont(Digits,Greek){Minion Pro}
%StopShownPreambleCommands
\begin{document}
$y=f(1)=3x^2-2x=1$ \par
$\alpha\beta\gamma$
\end{document}