最近.tex

\documentclass{book}
\usepackage[dvipdfmx]{graphicx}
\pagestyle{empty}

%--preamble--
\makeatletter
\parsep   = 0pt
\labelsep = .5zw
\def\@listi{%
    \leftmargin = 2zw \rightmargin = 0pt
    \labelwidth\leftmargin \advance\labelwidth-\labelsep
    \topsep     = .5\baselineskip
    \partopsep  = 0pt \itemsep       = 0pt
    \itemindent = 0pt \listparindent = 1zw}
\let\@listI\@listi
\@listi
\def\@listii{%
    \leftmargin = 2zw \rightmargin = 0pt
    \labelwidth\leftmargin \advance\labelwidth-\labelsep
    \topsep     = 0pt \partopsep     = 0pt \itemsep   = 0pt
    \itemindent = 0pt \listparindent = 1zw}
    \let\@listiii\@listii
    \let\@listiv\@listii
    \let\@listv\@listii
    \let\@listvi\@listii
\makeatother

%--margin settings--
\setlength{\topmargin}{20mm}
\addtolength{\topmargin}{-1in}
\setlength{\oddsidemargin}{20mm}
\addtolength{\oddsidemargin}{-1in}
\setlength{\evensidemargin}{20mm}
\addtolength{\evensidemargin}{-1in}

\setlength{\textwidth}{170mm}
\setlength{\textheight}{254mm}
\setlength{\headsep}{0mm}
\setlength{\headheight}{0mm}
\setlength{\topskip}{0mm}

\setlength{\parindent}{0pt} 
\setlength{\parskip}{2mm}

\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{amsfonts}
\usepackage{ascmac}

\begin{document}
\setlength{\abovedisplayskip}{3pt} 
\setlength{\belowdisplayskip}{10pt} 
\renewcommand\thefootnote{\arabic{footnote}}