答案1
\documentclass[10pt,a4paper]{article}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[portuguese]{babel}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{graphicx}
\usepackage{tikz}
\usepackage{pas-tableur}
\begin{document}
\begin{tikzpicture}
\tableur[4]{A,B,C}
\celtxt[l]{C}{2}{dd}
\end{tikzpicture}
\end{document}