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%%  Example 01-07-1 
%%  Copyright (C) 2017 Herbert Voss
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% Show page(s) 1
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\documentclass[]{screxa}
\pagestyle{empty}
\setlength\textwidth{158.31393pt}

%StartShownPreambleCommands

%StopShownPreambleCommands
\begin{document}
$\sqrt{x}       \sqrt[3]{x}
 \sqrt{\frac12} \sqrt[5]{\frac{x}{y}}$
\end{document}
