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How should I proceed to obtain the following table:

table

What I've tried is:

\begin{tabular}{ | c | c | c | c | c | }
\hline
 7 & 4 & 7 & 9 & 27\\ \hline
 10 & 9 & 9 & 6 & 34\\ \hline
 17 & 13 &  16 & 15 & \multicolumn{1}{r}{ } \\ \hline
\end{tabular}

but it does not work anymore.

Thanks!

Torbjørn T.
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Iuli
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0 Answers0