%@Auteur: d'après APMEP \og Jeux 7 \fg.\par
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{\footnotesize
\begin{tabularx}{\linewidth}{|l|X|c|c|c|c|c|c|c|c|c|c|c|c|}\SP
  \LCC%
  \\
  \cline{3-14}
  \multicolumn{2}{c|}{}&1&2&3&4&5&6&7&8&9&10&11&12\\\RP
  \hline
  \ECC
  \LCC%
  &&&&&\gray&\gray&\gray&\gray&\gray&\gray&\gray&\gray&\gray\\
  A&Les mathématiques en sont un.&J&E&U&&&&&&&&&\\
  \hline
  \ECC
  \LCC%
  &&&&&&&&&&\gray&\gray&\gray&\gray\\
  B&Le résultat d'une division euclidienne.&&&&&&&&&&&&\\\hline
  \ECC
  \LCC%
  &&&&&&&&\gray&\gray&\gray&\gray&\gray&\gray\\
  C&On le trace avec un compas.&&&&&&&&&&&&\\\hline
  \ECC
  D&Polygone a quatre
  côtés.&\phantom{10}&\phantom{10}&\phantom{10}&\phantom{10}&\phantom{10}&\phantom{10}&\phantom{10}&\phantom{10}&\phantom{10}&\phantom{10}&\phantom{10}&\phantom{10}\\\hline
  \LCC%
  &&&&&&&&\gray&\gray&\gray&\gray&\gray&\gray\\
  E&Point $I$ du segment $[AB]$ tel que $IA=IB$.&&&&&&&&&&&&\\\hline
  \ECC
  \LCC%
  &&&&&&&\gray&\gray&\gray&\gray&\gray&\gray&\gray\\
  F&La moitié du diamètre d'un cercle.&&&&&&&&&&&&\\\hline
  \ECC
  \LCC%
  &&&&&&&&&&&&\gray&\gray\\
  G&Résultat d'une soustraction.&&&&&&&&&&&&\\\hline
  \ECC
  \LCC%
  &&&&&&&&&&\gray&\gray&\gray&\gray\\
  H&Dans $40\div8$; 8 est le \ldots&&&&&&&&&&&&\\\hline
  \ECC
  \LCC%
  &&&&&&&\gray&\gray&\gray&\gray&\gray&\gray&\gray\\
  I&Résultat d'une addition.&&&&&&&&&&&&\\\hline
  \ECC
  \LCC%
  &&&&&&&&&&\gray&\gray&\gray&\gray\\
  J&Polygone a six côtés.&&&&&&&&&&&&\\\hline
  \ECC
\end{tabularx}
}
\begin{center}
\begin{tabular}{|c|c|c|c|c|c|c|c|c|c|c|c|c|}\SP
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  \hline
  \LCC%
  &&&&&&\gray&&&&&&\gray\\
  C1&J1&D3&B1&A3&D10&&J1&F4&E1&I3&B6&\\\hline
  \ECC
  \LCC%
  &&&&&\gray&&&\gray&&&&\gray\\
  G9&D8&C4&J1&C6&&E5&B7&&C5&B2&D6&\\\hline
  \ECC
  \LCC%
  &&\gray&&&&&&&\gray&&&\\
  D2&J7&&C2&F5&G3&F2&G8&B4&&D1&H7&B5\\\hline
  \ECC
  \LCC%
  \gray&&&&&\gray&&&&&&&\gray\\
  &H3&A2&E6&B8&&A1&B3&H7&D12&C3&.&\\\hline
  \ECC
\end{tabular}
\par
\begin{tabular}{|c|c|c|c|c|c|c|c|c|c|c|c|c|}\SP
  \multicolumn{1}{c}{\phantom{D10}}&\multicolumn{1}{c}{\phantom{D10}}&\multicolumn{1}{c}{\phantom{D10}}&\multicolumn{1}{c}{\phantom{D10}}&\multicolumn{1}{c}{\phantom{D10}}&\multicolumn{1}{c}{\phantom{D10}}&\multicolumn{1}{c}{\phantom{D10}}&\multicolumn{1}{c}{\phantom{D10}}&\multicolumn{1}{c}{\phantom{D10}}&\multicolumn{1}{c}{\phantom{D10}}&\multicolumn{1}{c}{\phantom{D10}}&\multicolumn{1}{c}{\phantom{D10}}&\multicolumn{1}{c}{\phantom{D10}}\\\RP
  \hline
  \LCC%
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  &&&&&&&&&&&&\\\hline
  \ECC
  \LCC%
  &&&&&\gray&&&\gray&&&&\gray\\
  &&&&&&&&&&&&\\\hline
  \ECC
  \LCC%
  &&\gray&&&&&&&\gray&&&\\
  &&&&&&&&&&&&\\\hline
  \ECC
  \LCC%
  \gray&&&&&\gray&&&&&&&\gray\\
  &&&&&&&&&&&.&\\\hline
  \ECC
\end{tabular}
\end{center}
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