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\begin{document}

\twocolumn[%
  \begin{center}
    \Large\bf $1$�N~���E�����
  \end{center}
  \begin{flushright}
    \underline{\hspace{1cm}}�N\underline{\hspace{1cm}}�g\underline{\hspace{1cm}}��
    \hspace{1zw}����\underline{\hspace{5cm}}
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 \vspace{5mm}]

\begin{enumerate}
\parindent = 0zw 
\item ����\fbox{�@�@}�ɓ��Ă͂܂錾�t�܂��͎����L�����Ȃ����B

\begin{enumerate}
\item $2$��\fbox{~\ajMaru{1}~}$\>x\>,\>y\>$����Ⴗ��Ƃ����̊֌W�͒萔$\>a\>$��p����\fbox{~\ajMaru{2}~}�ƕ\�����B
�܂�����Ⴗ��Ƃ���\fbox{~\ajMaru{3}~}�ƕ\�����B
���̂Ƃ����̒萔$\>a\>$��\fbox{~\ajMaru{4}~}�Ƃ����B

\item �O���t���������W���ʂɂ����ĉ��̐�������$\>x\>$���܂��͉����C�c�̐�������$\>y\>$���܂��͏c��
�Ƃ����C$\>x\>$���C$\>y\>$�������킹��\fbox{~\ajMaru{5}~}�Ƃ����܂��B
�܂�$\>x\>$����\fbox{~\ajMaru{6}~}�𐳂̌����C$\>y\>$����\fbox{~\ajMaru{7}~}�����̌����ƂȂ�܂��B

\item ���̃O���t��\fbox{~\ajMaru{8}~}��ʂ�\fbox{~\ajMaru{9}~}�ƂȂ�C�����̃O���t��\fbox{~\ajMaru{10}~}�ƂȂ�B

\end{enumerate}

\hspace{-6mm}
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\hline
\hspace{10mm} & \hspace{30mm} & \hspace{10mm} & \hspace{30mm} \\[-8pt]
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  &   &   &   \\
\hline
   &    &    &   \\[-8pt]
\ajMaru{3} &  & \ajMaru{4} & \\[-8pt]
   &    &    &    \\
\hline
   &    &    &   \\[-8pt]
\ajMaru{5} &  & \ajMaru{6} & \\[-8pt]
   &    &    &    \\
\hline
   &    &    &   \\[-8pt]
\ajMaru{7} &  & \ajMaru{8} & \\[-8pt]
   &    &    &    \\
\hline
   &    &    &   \\[-8pt]
\ajMaru{9} &  & \ajMaru{10} & \\[-8pt]
   &    &    &    \\
\hline
\end{tabular}

\item �ȉ��̖₢�ɓ����Ȃ����B

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\begin{enumerate}
\item �_$\>\mathrm{A}\>$�Ɠ_$\>\mathrm{C}\>$�̍��W�����߂Ȃ����B

%%\vspace{-4mm}
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\begin{tabular}{|@{}c@{}|c|@{}c@{}|c|}
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\item $\>y\>$����Ώ̎��Ƃ���$\triangle \mathrm{ABC}$�Ɛ��Ώ̂Ȑ}�`����̐}�ɏ�������Ȃ����B

\end{enumerate}

\item ���̂Ƃ��C$~y~$��$~x~$�̎��ŕ\���Ȃ����B

\begin{enumerate}
\item $y~$��$~x~$�ɔ�Ⴕ�C$x=4~$�̂Ƃ�$~y=-16~$�ł���B

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\item $y~$��$~x~$�ɔ���Ⴕ�C$x=6~$�̂Ƃ�$~y=4~$�ł���B

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%\newpage
%
\vspace{-2mm}
\item ���̎��̃O���t�������Ȃ����B

(1) $y=-2x$~~~~~(2) $y=\dfrac{3}{~4~} x$~~~~~(3) $\displaystyle y=-\frac{6}{~x~}$

(�O���t�ɔԍ������Ȃ����B)

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%
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%%�O���t�ǂ݂Ƃ�
\vspace{41mm}
\item ���̃O���t�̎������߂Ȃ����B

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%
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\begin{tabular}{|c|c|c|c|}
\hline
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\ajMaru{1} & & \ajMaru{2} & \\
 & & & \\
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 & & & \\
\hline
\end{tabular}\\

\item �}�̂悤��$\mathrm{AB}=4$\ajLig{cm}$,\mathrm{BC}=11$\ajLig{cm}$,\angle \mathrm{ABC}=90^{\circ }$��$\triangle \mathrm{ABC}$������܂��B
��$\mathrm{BC}$���_$\mathrm{P}$���b��$2$\ajLig{cm}�̑�����$\mathrm{B}$����$\mathrm{C}$�܂œ����Ƃ��C
$x$�b���$\triangle \mathrm{ABP}$�̖ʐς�$y$�Ƃ��܂��B
�ȉ��̖₢�ɓ����Ȃ����B

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\begin{enumerate}
\item $y$��$x$�̎��ŕ\���Ȃ����B

\vspace{5mm}
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\item $x$��$y$�̕ψ�����ꂼ�ꋁ�߂Ȃ����B

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  & \\[-8pt]
  & \\
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\end{enumerate}

\end{enumerate}

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