\documentclass[twocolumn,a4paper]{jsarticle}
\usepackage[dvipdfmx]{graphicx}
\begin{document}
\end{document}\documentclass[twocolumn,a4paper]{jsarticle}
\usepackage[dvipdfmx]{graphicx}
\begin{document}
\end{document}このページの著者: takanotume24
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