~(>_<)~ 删除线

青青子衿

\(\require{cancel}\cancel{addict\phantom{\star}to}{ smoking}\)
\(\cancel{ smoking}\)
\(\bcancel{ smoking}\)
\(\xcancel{ smoking}\)
\(\cancelto{looking\phantom{\star}and\phantom{\star}thinking}{ smoking}\)
\(\cancelto A{smoking}\)

青青子衿

测试两个LaTeX代码
\(\begin{array}{|c|c|c|c|}   
\hline   
&{\color{darkgray}\blacksquare}&\hspace{7pt}&\hspace{7pt}\\   
\hline   
\blacksquare&&\blacksquare&\blacksquare\\   
\hline   
\color{cyan}{\xcancel{ \color{black}{\blacksquare} }}&&\blacksquare&\blacksquare\\   
\hline   
\color{red}{\xcancel{ \color{black}{\blacksquare} }}&&\blacksquare&\color{red}{\xcancel{ \color{black}{\blacksquare} }}\\   
\hline   
\end{array}\)
.........................（二十五个点的分割线啊）
\(\begin{array}{|c|c|c|c|}   
\hline   
\color{red}{\xcancel{ \color{black}{\blacksquare} }}&&\color{red}{\xcancel{ \color{black}{\blacksquare} }}&\color{red}{\xcancel{ \color{black}{\blacksquare} }}\\   
\hline   
&{\color{darkgray}\blacksquare}&&\\   
\hline   
\color{red}{\xcancel{ \color{black}{\blacksquare} }}&&\blacksquare&\color{red}{\xcancel{ \color{black}{\blacksquare} }}\\   
\hline   
\color{red}{\xcancel{ \color{black}{\blacksquare} }}&&\color{red}{\xcancel{ \color{black}{\blacksquare} }}&\color{red}{\xcancel{ \color{black}{\blacksquare} }}\\   
\hline   
\end{array}\)