template_answer_sheet

\documentclass[paper=b4]{jlreq}
\usepackage[top=1.5cm, bottom=0.5cm, left=1.5cm, right=1.5cm, includefoot]{geometry}


\usepackage[usenames,dvipsnames]{xcolor}
\usepackage{tcolorbox}
\usepackage{tabularx}
\usepackage{array}
\usepackage{colortbl}
\usepackage{lipsum}
\tcbuselibrary{skins}

\newcolumntype{Y}{>{\centering\arraybackslash}X}
\tcbset{tab/.style={enhanced,
                    fonttitle=\bfseries,
                    fontupper=\normalsize\sffamily,
                    colback=white,
                    colbacktitle=gray,                    
                    colframe=black,
                    coltitle=white,
                    }
}

% Set this =0 to hide, =1 to show
\def\showanswers{1}
\newcommand{\hide}[1]{
\ifnum\showanswers=1
\textcolor{red}{#1} 
\fi
\ifnum\showanswers=0
\fi
}

\pagestyle{empty}


\newcommand{\lh}[0]{2} % default light height of tabale

\def\授業名{ABC}
\def\学部{D学部~~E学科}
\def\学年{1年}
\def\試験区分{FGH}
\def\試験日時{20xx/x/xx }

\renewcommand\labelenumi{(\theenumi)\ }

\begin{document}


\begin{center}
	\Large\textbf{\授業名~\試験区分（解答用紙）}\\
	\bigskip
	\試験日時
\end{center}

\bigskip
\begin{flushright}
\学部~~\学年~~出席番号~~\fbox{\huge　}\fbox{\huge　}\fbox{\huge　}\hspace{1\zw}氏名\underline{\hspace{15\zw}}\underline{\hspace{5\zw}} 
\end{flushright}


\begin{table}[!h]
 \refstepcounter{table}%\label{tab:mytab}
 \fbox{\huge \thetable}
 \begin{tcolorbox}[tab,
  tabularx*={\renewcommand{\arraystretch}{\lh}}{m{0.5\textwidth}|m{0.5\textwidth}},
%  title={\fbox{\huge \thetable}},
  boxrule=0.8pt]
(1) \hide{aaa} & (2) \hide{$y=1$}  \\ \hline
(3) \hide{aaa} & (4) \hide{$z=2$}  \\ \hline
(5) \hide{aaa} & (6) \hide{$w=3$}   
  \end{tcolorbox}
\end{table}

\begin{table}[!h]
 \refstepcounter{table}%\label{tab:mytab}
 \begin{tcolorbox}[tab,
  tabularx*={\renewcommand{\arraystretch}{\lh}}{m{\textwidth}},
  title={\fbox{\huge \thetable}},
  boxrule=0.8pt]
(1) \hide{aaa} \\ \hline
(3) \hide{aaa} \\ \hline
(5) \hide{aaa}
\end{tcolorbox}
\end{table}

\begin{table}[!h]
 \refstepcounter{table}
 \begin{tcolorbox}[tab,
  height=15cm,
  title={\fbox{\huge \thetable}},
  boxrule=0.8pt,
  sidebyside,
  ]
\hide{\lipsum[1]}
\tcblower
\hide{\lipsum[1]}
\end{tcolorbox}
\end{table}



\end{document}