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\begin{enumerate}

\item \fbox{�@�@�@} �ɂ��Ă͂܂錾�t�C���܂��͎��������Ȃ����B

\begin{enumerate}

\item ������̎����̌��ʁC���邱�Ƃ���̋N���� \fbox{�@\ajMaru{1}�@} �����̐��l�ɋ߂Â��Ƃ��C���̐��l�����̂��Ƃ���̋N����m���Ƃ����B

\item �N���蓾��ꍇ���S����$n$�ʂ肠��C���̂����C���邱�Ƃ���̋N����ꍇ��$a$�ʂ肠��C�ǂ̂��Ƃ�����N����ꍇ�����l�Ɋm���炵���Ƃ��C
���̂��Ƃ���̋N����m��$p$�� \fbox{�@\ajMaru{2}�@} �ƂȂ�B
�Ⴆ�΁C��������𓊂����Ƃ�$1$�̖ڂ̏o��m���́C��������̖ڂ̏o���͓��l�Ɋm���炵�� \fbox{�@\ajMaru{3}�@} �ʂ�ł��邱�Ƃ���C���̊m���� \fbox{�@\ajMaru{4}�@} �ƂȂ�B

\item ���邱�Ƃ���̋N����m����$\>p\>$�Ƃ���ƁC$p$�͈̔͂� \fbox{�@\ajMaru{5}�@} $\leqq p \leqq$ \fbox{�@\ajMaru{6}�@} �ƂȂ�B

\end{enumerate}

\vspace{1mm}
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& \hspace{33mm} & & \hspace{33mm} \\[-8pt]
~\ajMaru{1}~ & \color{white}{���Γx��} & ~\ajMaru{2}~ & \color{white}{$\dfrac{a}{\>n\>}$} \\[-8pt]
& & & \\
\hline
& & & \\[-8pt]
~\ajMaru{3}~ & \color{white}{$6$} & ~\ajMaru{4}~ & \color{white}{$\dfrac{1}{\,6\,}$} \\[-8pt]
& & & \\
\hline
& & & \\[-8pt]
~\ajMaru{5}~ & \color{white}{$0$} & ~\ajMaru{6}~ & \color{white}{$1$} \\[-8pt]
& & & \\
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\vspace{1mm}
\item �傫���̈قȂ�召$2$�̂�������𓯎��ɓ����ďo���ڂ��������킹�܂��B
��ԏo�₷�����͂����ł����B"�m��"�Ƃ������t���g���Đ������Ȃ����B

\vspace{1mm}
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~���l������\\
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&&&&&& \\[-7pt]
\,$1$\, & $1$ & $2$ & $3$ & $4$ & $5$ & $6$ \\
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&&&&&& \\[-7pt]
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&&&&&& \\[-7pt]
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&&&&&& \\[-7pt]
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&&&&&& \\[-7pt]
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&&&&&& \\[-7pt]
\,\,$6$\,\, & \,\,$6$\,\, & \,$12$\, & \,$18$\, & \,$24$\, & \,$30$\, & \,$36$\, \\
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&

\vspace{-5mm}{\color{white}{���\���$6$��$12$�̂Ƃ����m��$p=\dfrac{4}{\>36\>}=\dfrac{1}{\>9\>}$�ƂȂ�ł��o�₷���B}}
\\[-12pt]
&\\
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\vspace{1mm}
\item �����肪$2$�{�C�͂��ꂪ$3$�{�����Ă��邭��������܂��B���̂������C$\mathrm{A}$�����1�{�����C����$\mathrm{B}$��$1$�{�����܂��B
���̂��Ƃɂ��Ĉȉ��̖₢�ɓ����Ȃ����B
�������C�����������͌��ɖ߂��Ȃ����̂Ƃ��܂��B

\vspace{1mm}
\begin{enumerate}
\item $\mathrm{A}$��������������m�������߂Ȃ����B

\item ��Ɉ���$\mathrm{A}$�ƌ�Ɉ���$\mathrm{B}$�ł͂ǂ���̕����L���ł����B���`�}�����C"�m��"�Ƃ������t���g���Đ������Ȃ����B

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\,(1)\, & {\color{white}{$\dfrac{2}{\,5\,}$}} \\[-8pt]
& \\
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(2) &
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&

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\\
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& \multicolumn{1}{@{\,}l@{}|@{\vrule width 0.4pt}}{\color{white}{�����$\mathrm{A}$��$\mathrm{B}$���m����$\dfrac{2}{\,5\,}$�œ����ł���B}} \\
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\end{enumerate}

\newpage

\vspace{1mm}
\item $\mathrm{A}$\,,\,$\mathrm{B}$\,,\,$\mathrm{C}$\,,\,$\mathrm{D}$\,,\,$\mathrm{E}$��
$5$�l�̒�����C�ǒ��C���ǒ���$1$�l���I�ԂƂ��C$\mathrm{A}$���ǒ��܂��͕��ǒ��ɂȂ�m�������߂Ȃ����B
�l�����������Ȃ����B

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~���l������\\
\,{\color{white}{\{�ǒ�,\,���ǒ�\} �Ƃ����}} \\
\,{\color{white}{\{A,\,B\},\,\{A,\,C\},\,\{A,\,D\},\,\{A,\,E\}}} \\
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\,{\color{white}{\{C,\,A\},\,\{C,\,B\},\,\{C,\,D\},\,\{C,\,E\}}} \\
\,{\color{white}{\{D,\,A\},\,\{D,\,B\},\,\{D,\,C\},\,\{D,\,E\}}} \\
\,{\color{white}{\{E,\,A\},\,\{E,\,B\},\,\{E,\,C\},\,\{E,\,D\}}} \\[-16pt]
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\hspace{82mm} \\
\\
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\item $4$�l���ꂼ�ꂪ��������ăv���[���g�̌������l���Ă��܂��B�N�������Ă������킩��Ȃ��悤�ɂ��Ċe���Ńv���[���g��I�т܂��B
���̂Ƃ�$4$�l�S���������������Ă����v���[���g�ł͂Ȃ��m�����l�������L�q�����߂Ȃ����B�������ǂ̃v���[���g��I�Ԃ̂��͓��l�Ɋm���炵���Ƃ��܂��B

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\hspace{82mm} \\
\\
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\end{enumerate}

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