%% 
%%  A DANTE-Edition example
%% 
%%  Beispiel 01-01-5 auf Seite 6.
%% 
%%  Copyright (C) 2010 H. 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.
%% 

%%Run also: >>  << 
% Show page(s) 1

\documentclass[]{article}
\pagestyle{empty}
\setlength\textwidth{218.59192pt}
\setlength\parindent{0pt}
\setlength\textwidth{201.7051pt}



\begin{document}
\begin{tabular*}{\linewidth}%
   {|l@{\extracolsep{\fill}}|l|l|}
1 & 2 & 3 \\\hline A & B & C \\\hline
\end{tabular*}\par\bigskip
\begin{tabular*}{\linewidth}%
   {|l|l|@{\extracolsep{\fill}}r|}
1 & 2 & 3 \\\hline A & B & C \\\hline
\end{tabular*}
\end{document}