答案1
使用p
列类型而不是l
固定宽度的列。
\documentclass{article}
\begin{document}
\begin{tabular}{|p{1in}|p{.5in}|p{.5in}|p{1in}|}
\hline
1 & \multicolumn{2}{p{1in}|}{some really long text that wraps lines} & 3\\\hline
4 & \multicolumn{2}{p{1in}|}{5} & 6\\\hline
7 & 8 & 9 & 10\\\cline{3-4}
& & some really long text that wraps lines & 12\\\cline{3-4}
& & 13 & 14\\\cline{3-4}
& & 15 & 16\\\hline
\end{tabular}
\end{document}