\end_inset
-, mark the first two cells in the first row a 3×3 table and right-click
+, mark the first two cells in the first row of a 3×3 table and right-click
on them.
Now choose for this cell
\emph on
\emph on
n
\emph default
- columns are spanned columns can be calculated, so that each column has
- a total width of
+ columns are spanned can be calculated, so that each column has a total
+ width of
\begin_inset Formula $W_{\mathrm{tot\, multicolumn}}/n$
\end_inset