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\begin{enumerate}
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\item ���̕���\fbox{�@�@�@}�̒��ɂ��Ă͂܂錾�t�������Ȃ����B
\hspace{-3mm}
\begin{enumerate}

\item ���ʂƕ��ʂ�������Ăł��钼����\fbox{�@�A�@}�Ƃ����B
\item ���~�̒��a�����ɉ�]�����Ăł���}�`��\fbox{�@�C�@}�Ƃ����B
�܂��������ĉ�]���Ăł����}�`��\fbox{�@�E�@}�Ƃ����A
���ʂ������Ƃ̐���\fbox{�@�G�@}�Ƃ����B
 \item ���̂̊e�ʂ����ʂłł��Ă��闧�̐}�`��\fbox{�@�I�@}�Ƃ����B
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$~~~�A~~~$ & $~~~�C~~~$ & $~~~�E~~~$ & $~~~�G~~~$ & $~~~�I~~~$ \\
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 & & & & \\[-8pt]
 & & & & \\[-8pt]
 & & & & \\
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\item ���̒����̂ɂ��Ĉȉ��̖₢�ɓ����Ȃ����B

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\item ��$\mathrm{AE}$�ɐ����Ȗʂ͂ǂ�ł����B

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\item ��$\mathrm{AB}$�ƕ��s�ȕӂ͉��{����܂����B

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\item ��$\mathrm{AB}$�ƕ�$\mathrm{CG}$�̈ʒu�֌W�����Ƃ����܂����B

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\item �Ίp��$\mathrm{BD}$�Ɛ����Ɍ�����Ă���ӂ͂ǂ�ł����B

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\item ��$\mathrm{ABCD}$�ɐ����Ȗʂ͂�������܂����B

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\item ���̉~���̓W�J�}����}���Ȃ����B�����̒P�ʂ͉��̖ڐ���𗘗p���Ȃ����B

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%%��]�̂̌����}
\item ���}�ɂ����āA����$\ell$�����Ƃ���1��]�������Ƃ��̉�]�̂̓��e�}�����̉��̘g����
���ʐ}�i���ʂ��猩���}�j����ɕ��ʐ}�i�^�ォ�猩���}�j�����ɏ����Ȃ����B
�����}�̑傫���́A�ʒu�͉��}�ɂ��킹�Ȃ����B

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\item ���̎O�p�`$\mathrm{ABC}$��_$\mathrm{O}$�𒆐S��$180^{\circ}$��]�ړ����Ȃ����B

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