%!TEX encoding = utf-8 \documentclass[12pt]{article} \usepackage{amsmath} \usepackage{amsfonts} \usepackage{amsthm} \usepackage{mathtools} \usepackage{kotex} \usepackage{geometry} \geometry{ top = 20mm, left = 20mm, right = 20mm, bottom = 20mm } \usepackage{enumitem} \setlist[enumerate,1]{label={(\arabic*)}} \pagenumbering{gobble} \renewcommand{\baselinestretch}{1.3} \newcommand{\ds}{\displaystyle} \theoremstyle{definition} \newtheorem{problem}{\sffamily} \newcommand{\prob}[1]{\begin{problem}#1\end{problem}~} \input{macro.tex} \begin{document} \begin{center} \textbf{\Large 고난도 미적분} \end{center} \input{sections/sec01.tex} \end{document}