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+\documentclass[10pt,a4paper,oneside,ngerman,numbers=noenddot]{scrartcl}
+\usepackage[T1]{fontenc}
+\usepackage[utf8]{inputenc}
+\usepackage[ngerman]{babel}
+\usepackage{amsmath}
+\usepackage{amsfonts}
+\usepackage{amssymb}
+\usepackage{paralist}
+\usepackage{gauss}
+\usepackage{pgfplots}
+\usepackage[locale=DE,exponent-product=\cdot,detect-all]{siunitx}
+\usepackage{tikz}
+\usetikzlibrary{matrix,fadings,calc,positioning,decorations.pathreplacing,arrows,decorations.markings}
+\usepackage{polynom}
+\polyset{style=C, div=:,vars=x}
+\pgfplotsset{compat=1.8}
+\pagenumbering{arabic}
+\def\thesection{\arabic{section})}
+\def\thesubsection{(\alph{subsection})}
+\def\thesubsubsection{(\roman{subsubsection})}
+\makeatletter
+\renewcommand*\env@matrix[1][*\c@MaxMatrixCols c]{%
+  \hskip -\arraycolsep
+  \let\@ifnextchar\new@ifnextchar
+  \array{#1}}
+\makeatother
+
+\begin{document}
+\author{Tronje Krabbe, Jim Martens, Julian Tobergte}
+\title{Hausaufgaben zum 22. Oktober}
+\maketitle
+\section{} %1
+	\subsection{} %a
+	\subsection{} %b
+		\subsubsection{} %i
+		\subsubsection{} %ii
+		\subsubsection{} %iii
+\section{} %2
+	\subsection{} %a
+	\subsection{} %b
+\section{} %3
+	\subsection{} %a
+	\subsection{} %b
+	\subsection{} %c
+\end{document}