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\item $\angle \> x$ �̑傫�������߂Ȃ����B
�ǂ����ċ��߂������L�q���Ȃ����B
(�����ɕK�v�ȋL����}�͏������킦�Ă������B)
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\item ���̐}��$\mathrm{AO}=\mathrm{BO}\,,\,\mathrm{DO}=\mathrm{CO}$�Ȃ��$\mathrm{AD} \,/\!/ \,\mathrm{BC}$�ł��邱�Ƃ��ؖ����Ȃ����B
�i����C���_���L�����Ȃ����B�j

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\item ���̐}��$\mathrm{AB}=\mathrm{CB}\,,\,\mathrm{AD}=\mathrm{CD}$�Ȃ�ΐ���$\mathrm{BD}$��
$\angle \> \mathrm{ABC}$�̓񓙕����ł��邱�Ƃ��ؖ����Ȃ����B
�i����C���_���L�����Ȃ����B�j

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\vspace{1mm}
\item ���̏��������l�p�`$\mathrm{ABCD}$�����s�l�ӌ`�ɂȂ邩�ǂ����𓚂��Ȃ����B
�Ȃ�ꍇ�ɂ́��C�Ȃ�Ȃ��ꍇ�ɂ́~���𓚗��ɋL�����Ȃ����B
������$\mathrm{O}$�͑Ίp���̌�_�ł��B

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\begin{enumerate}

\item $\mathrm{AD}=\mathrm{BC}\>,\>\mathrm{AB}=\mathrm{DC}$

\item $\mathrm{AD} /\hspace{-1mm}/ \mathrm{BC}\>,\>\mathrm{AB}=\mathrm{DC}$

\item $\angle \mathrm{A}=\angle \mathrm{B}=\angle \mathrm{C}=\angle \mathrm{D}=90^\circ$

\item $\mathrm{AO}=\mathrm{BO}\>,\>\mathrm{CO}=\mathrm{DO}$

\item $\mathrm{AD} /\hspace{-1mm}/ \mathrm{BC}\>,\>\angle \mathrm{A}+\angle \mathrm{B}=180^\circ$

\end{enumerate}

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\hspace{-9mm}
\begin{tabular}{|@{}c@{}|c|@{}c@{}|c|@{}c@{}|c|@{}c@{}|c|@{}c@{}|c|}
\hline
   &               &    & &&&&&&             \\[-8pt]
(1) & \hspace{11.5mm} & (2) & \hspace{11.5mm} & (3) & \hspace{11.5mm} & (4) & \hspace{11.5mm} & (5) & \hspace{11.5mm} \\[-8pt]
   &               &    &  &&&&&&         \\
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\newpage

\item \fbox{�@�@�@}�ɂ��Ă͂܂錾�t�܂��͐��⎮�������Ȃ����B
\begin{itemize}
\item �񓙕ӎO�p�`�ŁC�����̓�����$2$�̕ӂ�����p��\fbox{~\ajMaru{1}~}�C
��ӂ̗��[�̊p��\fbox{~\ajMaru{2}~}�Ƃ����܂��B

\item $2$�̒��p�O�p�`�́C���̂ǂ��炩$1$�����藧�Ă΍����ł���B

(1)\fbox{~\ajMaru{3}~}�����ꂼ�ꓙ�����B

(2)\fbox{~\ajMaru{4}~}�����ꂼ�ꓙ�����B

\item ���s�l�ӌ`�̐����ɂ�

(1) $2$��\fbox{~\ajMaru{5}~}�͂��ꂼ�ꓙ�����B

(2) $2$�̌����������p�͂��ꂼ�ꓙ�����B

(3) $2$��\fbox{~\ajMaru{6}~}�͂��ꂼ���\fbox{~\ajMaru{7}~}�Ō����B

�Ƃ�������������܂��B

\end{itemize}

\hspace{-12mm}
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\hline
   &               &    &              \\[-8pt]
\ajMaru{1} & \hspace{40mm} & \ajMaru{2} & \hspace{40mm}  \\[-8pt]
   &               &    &           \\
\hline
   &               &    &              \\[-8pt]
\ajMaru{3} & \hspace{25mm} & \ajMaru{4} & \hspace{25mm}  \\[-8pt]
   &               &    &           \\
\hline
   &               &    &              \\[-8pt]
\ajMaru{5} & \hspace{25mm} & \ajMaru{6} & \hspace{25mm}  \\[-8pt]
   &               &    &           \\
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\ajMaru{7} & \hspace{25mm}  \\[-8pt]
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\vspace{2mm}
\item ���̎����̋t�����������ɂ́����C�������Ȃ����ɂ́~���𓚗��ɋL�����Ȃ����B
�܂��������Ȃ����̎�������I��ł��̗��R��������Ȃ����B

\begin{enumerate}
\item �񓙕ӎO�p�`�̒�p�͓������B

\item �Ђ��`�̑Ίp���͐����Ɍ����B

\item $2$����$\ell\>,\>m$�����s�Ȃ�΁C���ʊp$\angle x\>,\>\angle y$�͓������B

\item $\triangle \mathrm{ABC}$��$\triangle \mathrm{DEF}$�̂Ƃ�$2$�̎O�p�`�̖ʐς͓������B
\end{enumerate}

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   &               &    & &&&&             \\[-8pt]
(1) & \hspace{12mm} & (2) & \hspace{12mm} & (3) & \hspace{12mm} & (4) & \hspace{12mm} \\[-8pt]
   &               &    &  &&&&         \\
\hline
\multicolumn{8}{|l|}{�I�񂾖��ԍ�$\cdots$} \\
\multicolumn{8}{|l|}{} \\
\multicolumn{8}{|l|}{} \\
\multicolumn{8}{|l|}{} \\
\multicolumn{8}{|l|}{} \\
\multicolumn{8}{|l|}{} \\
\multicolumn{8}{|l|}{} \\
\multicolumn{8}{|l|}{} \\
\multicolumn{8}{|l|}{} \\
\multicolumn{8}{|l|}{} \\
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%\vspace{5mm}
%\hspace{-10mm}
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\item $\mathrm{AB}=\mathrm{AC}$�Ȃ�񓙕ӎO�p�`$\mathrm{ABC}$�̒��$\mathrm{BC}$��ɓ_$\mathrm{D}$���Ƃ�C
$\mathrm{CD}=\mathrm{BE}\,,\,\mathrm{BD}=\mathrm{CF}$��
�Ȃ�悤�ɕ�$\mathrm{AB}\,,\,\mathrm{AC}$��ɓ_$\mathrm{E}\,,\,\mathrm{F}$���Ƃ�3�_$\mathrm{D}\,\,,\mathrm{E}\,,\,\mathrm{F}$�����ԁB���̂Ƃ��ȉ��̖�
���ɓ����Ȃ����B
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\begin{enumerate}

\item �E��ɐ}�������C�L������������Ȃ����B

\item $ \triangle \mathrm{DEF}$�͓񓙕ӎO�p�`�ł��邱�Ƃ��ؖ����Ȃ����B(����C���_�͏����Ȃ��Ă悢�B)

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\item $ \angle \> \mathrm{A}=a^{\circ }$�̂Ƃ��C$ \angle \> \mathrm{DEF}$�̑傫����$a$��p���ĕ\���Ȃ����B

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\vspace{2mm}
\item ���̎l�p�`$\mathrm{ABCD}$�Ɠ����ʐς����O�p�`����}���Ȃ����B
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\end{document}
