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\begin{document}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\onecolumn {\Large\bf{�R�N���w�@�U�͖͂̏����\hfill No. 1}}\vskip10pt\hrule 

\qquad


\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad \BOXY{1}{0.6}{�@�g}\BOXY{1.3}{0.6}{�@�@��}\BOXY{7}{0.6}{���O�@\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad}

\Toi�@1�̉~�ŁC���̑傫���̌ʂɑ΂���~���p�͉��x�ł����B

\YYToi{\;\;�~����$\dfrac{2}{3}$�̌�}{\;\;�~����$\dfrac{2}{5}$�̌�}

\vspace{4cm}

\Toi�@���̐}�ŁC$\Kaku{}x$�C$\Kaku{}y$�̑傫�����C���ꂼ�ꋁ�߂Ȃ����B

\YYYToi{}{}{}


\begin{minipage}{1cm}

\qquad

\end{minipage}
\begin{minipage}{6cm}

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\Pnode(2,150){D}[D][lt]
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\Knode(0,-0.1){y}[\; $y$][b]
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\qquad

\hskip20pt $\stackrel{\frown}{\mrm{AB}}=\stackrel{\frown}{\mrm{CD}}$

\hskip20pt AC�͒��a

\end{minipage}
\begin{minipage}{6cm}

\unitlength=10mm
\begin{Pic}(4,4)(-2,-2)
\Knode(0,0){O}[][l]
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\vspace{2cm}


\end{minipage}
\begin{minipage}{6cm}

\unitlength=10mm
\begin{Pic}(4,4)(-2,-2)
\Knode*(0,0){O}[O][t]
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\KPath{cD}
\KAngle[1.2]{OCA}[][]
\KAngle[1.2]{ABO}[][]

\end{Pic}

\vspace{2cm}


\end{minipage}



\vspace{2cm}

\Toi�@���̐}�ŁC$\Kaku{}x$�C$\Kaku{}y$�̑傫�����C���ꂼ�ꋁ�߂Ȃ����B

\YYYToi{}{}{}

\qquad


\begin{minipage}{5.5cm}

\unitlength=10mm
\begin{Pic}(4,4)(-2,-2)
\Knode(0,0){O}[][l]
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%\KArc[4]{O}(0,360)
\thinlines
\KAngle[1.2]{CAD}[60$\DEG$\;\;][bl]
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\KAngle[1]{CAD}[][]
\KAngle[1]{CBD}[][]
\KAngle[1.2]{ACB}[30$\DEG$][r]
\KAngle[1.2]{BDC}[40$\DEG$][t]
\end{Pic}

\vspace{2cm}

\end{minipage}
\begin{minipage}{5.5cm}

\unitlength=10mm
\begin{Pic}(4,4)(-2,-2)
\Knode*(0,0){O}[O][b]
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\KAngle[1]{BOC}[70$\DEG$][r]
\KAngle[1]{DOA}[62$\DEG$][l]

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\qquad

\hskip20pt AB�͒��a

\hskip20pt $\Kaku{}y=\Kaku{ADC}$

\end{minipage}
\begin{minipage}{5cm}

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\qquad

PA�CPB�͉~O�̐ڐ��ŁC

�_A�CB�͂��̐ړ_


\end{minipage}




\newpage
\begin{minipage}{10cm}

\Toi�@$\SANKAKU{ABC}$�ŁC���_B�CC����C���ꂼ��CAC�C

�@AB�ɐ���BD�CCE���Ђ��C���̌�_��P

�@�Ƃ��܂��B

�@�_A�CB�CC�CD�CE�CP�̂����C�����~����

�@�ɂ���4�_�̑g���݂��Ȃ����B

\vspace{5cm}

\end{minipage}
\begin{minipage}{5cm}

\unitlength=10mm
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\Knode(4.5,1.5){D}[D][tr]
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\thicklines
\KPath{ABCA,BEC,BDC}
%\KArc[5]{O}(0,360)
\thinlines
\EKNinty{BEC,BDC}
\end{Pic}

\end{minipage}



\vspace{5cm}

\begin{minipage}{9cm}


\Toi�@�E�̐}�̂悤�ɁC�~����5��������_���C

�@A�CB�CC�CD�CE�Ƃ��܂��B

�@���̂Ƃ��C$\Kaku{}x$�̑傫�������߂Ȃ����B

\vspace{5cm}

\end{minipage}
\begin{minipage}{5cm}

\unitlength=18mm
\begin{Pic}(4,4)(-2,-2)
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\thicklines
\KArc[4]{O}(0,360)
\KPath{BE,AC}
\EKSameLength[2]{ab,bc,cd,de,ea}
\end{Pic}

\end{minipage}




\newpage
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\onecolumn {\Large\bf{�R�N���w�@�U�͖͂̏����\hfill No. 2}}\vskip10pt\hrule 

\qquad


\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad \BOXY{1}{0.6}{�@�g}\BOXY{1.3}{0.6}{�@�@��}\BOXY{7}{0.6}{���O�@\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad}

\begin{minipage}{10cm}


\Toi�@�E�̐}�̂悤�ɁC�~�����3�_A�CB�CC��

�@���_�Ƃ���$\SANKAKU{ABC}$������܂��B

�@$\Kaku{BAC}$�̓񓙕�������BC�C$\stackrel{\frown}{\mrm{BC}}$�ƌ����

�@�_���C���ꂼ��CD�CE�Ƃ���Ƃ��C

�@�@$\SANKAKU{ABE}\Sim\SANKAKU{BDE}$

\vspace{-0.4cm}
�@�ł��邱�Ƃ��ؖ����Ȃ����B

\vspace{4cm}


\end{minipage}
\begin{minipage}{5cm}

\unitlength=13mm
\begin{Pic}(4,4)(-2,-2)
\Knode(0,0){O}[][b]
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\Pnode(2,85){A}[A][t]
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\KPath{ABCA}
\KArc[4]{O}(0,360)
\EKAngle{BAE,EAC}{\bf �E}
\thinlines
\KPath{AEB}
\end{Pic}

\end{minipage}


\vspace{5cm}

\begin{minipage}{9cm}

\Toi�@2�_A�CB�Ō����2�~O�C$\mrm{O'}$������܂��B

�@�_B��ʂ�2�������C�E�̐}�̂悤�ɁC�~O�C

�@$\mrm{O'}$�ƁC���ꂼ��C�_C�CD����ѓ_E�CF��

�@������Ă���Ƃ��C

�@�@$\SANKAKU{ACD}\Sim\SANKAKU{AEF}$

\vspace{-0.4cm}
�@�ł��邱�Ƃ��ؖ����Ȃ����B

\vspace{1cm}

\end{minipage}
\begin{minipage}{5cm}

\unitlength=12mm
\begin{Pic}(6,4)(-2,-2)
\Knode*(0,0){O}[O][b]
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\Pnode(2,270){E}[E][b]
\Pnode(2,190){C}[C][l]
\Knode*(2.5,0){o}[$\mrm{O'}$][r]
\Knode(2.8,-1.47){D}[D][b]
\thicklines
\KPath{AEFA,ACDA}
\KArc[4]{O}(0,360)
\KArc[3]{o}(0,360)
%\thinlines
\end{Pic}

\end{minipage}




\newpage

\begin{minipage}{10cm}

\Toi�@�E�̐}�̂悤�ɁC�~O�̎����1�_A����

�@2�̌�AP�CAQ���Ђ��C���ꂼ��̒��_

�@��M�CN�Ƃ��܂��B

�@���̂Ƃ��C4�_A�CO�CM�CN�͓����~����

�@�ɂ��邱�Ƃ��ؖ����Ȃ����B

\vspace{3cm}

\end{minipage}
\begin{minipage}{5cm}

\unitlength=13mm
\begin{Pic}(4,4)(-2,-2)
\Knode*(0,0){O}[O][b]
\Pnode(2,30){P}[P][tr]
\Pnode(2,100){Q}[Q][t]
\Pnode(2,170){A}[A][tl]
\Inode*{AQ}(1:1){N}[N][br]
\Inode*{AP}(1:1){M}[M][t]
\thicklines
\KPath{QAP}
\KArc[4]{O}(0,360)
\EKSameLength[1]{AN,NQ}
\EKSameLength[2]{AM,MP}

\end{Pic}

\end{minipage}


\vspace{6cm}

\begin{minipage}{7cm}


\Toi�@�E�̐}�̂悤�ɁC3�_A�CB�CC

�@������܂��B

�@����AB�ɂ��ē_C�Ɣ��Α��ɁC

�@�@AB$\perp$CP�C$\Kaku{APB}=30\DEG$

�@�ƂȂ�_P����}���Ȃ����B

\vspace{1cm}

\end{minipage}
\begin{minipage}{5cm}

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\begin{Pic}(6,4)(-2,-2)
\Knode*(-1,-1){A}[A][l]
\Knode*(0,1){C}[C][t]
\Knode*(3,0){B}[B][r]

\end{Pic}

\end{minipage}








\end{document}