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\begin{document}
\noindent

%========================================================================
\noindent\framebox[\linewidth]{\shortstack[c]{
\Large{\textbf{Lab03-Set, Relation, and Function}}\vspace{1mm}\\
�������ѧ���ۿκ�ϰ�⣬��ʦ�������h��2016 �＾ѧ��}}
\begin{center}
\footnotesize{\color{red}��ע����\quad ������\_\_\_\_\_\_\_\_\_\_\_\_ \quad ѧ�ţ�\_\_\_\_\_\_\_\_\_\_\_ \quad �༶��\_\_\_\_\_\_\_\_\_\_\_}

\footnotesize{\color{blue}$*$ ���Ӱ���ҵ��ֱ���ϴ����γ���վ}
\end{center}

\begin{enumerate}
\item ������㷨����$1+2+\cdots+100$�ĺ͡�д��α���룬����VISIO�����Ӧ������ͼ��

\item ��ȫ��$U=\{1,2,3,4,5,6\}$������$A=\{1,3,4\}$��$B=\{1,2,5\}$��$C=\{2,4,6\}$�������м���:
     \begin{enumerate}
        \item $(A\cap B)\cup \overline{C}$,
        \item $(A-B)\cap C$,
        \item $A \oplus B \oplus C$.
     \end{enumerate}



\item ��ȫ��$U=\{1,2,3,4,5,6,7,8\}$������$A=\{1,2,3,5\}$��$B=\{2,3,4,6\}$��$C=\{1,3,6,7\}$������Τ��ͼ��ʾ���м���:
     \begin{enumerate}
        \item $(A\cap B)\cap \overline{C}$,
        \item $(A-B)\cup C$.
     \end{enumerate}

\end{enumerate}
%========================================================================
\end{document}
