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%%
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\begin{enumerate}
\item ����~\fbox{~~�@~~}~�ɂ��Ă͂܂錾�t�܂��͎��������Ȃ����B

\begin{enumerate}
\item �������g���Đ��ʂ̊֌W��\��������\fbox{~\ajMaru{1}~}�Ƃ����܂��B

\item �������������菇��

\end{enumerate}

\begin{tabularx}{80mm}{lX}
1. & �W���ɏ����╪�����ӂ��ނƂ��͐����ɂȂ����B������������΂��������͂����B \\
2. & \fbox{~\ajMaru{2}~}�����ӂ�\fbox{~\ajMaru{3}~}���E�ӂɈڍ�����B\\
3. & ���ӂ����ꂼ��v�Z��\fbox{~\ajMaru{4}~}�̌`�ɂ���B\\
4. & ���ӂ�$\>x\>$��\fbox{~\ajMaru{5}~}$\>a\>$�ł��B\\
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1.�̂悤�ɕ������ӂ��ޕ������𐮐��ɂȂ����Ă���������Ƃ�\fbox{~\ajMaru{6}~}�Ƃ����܂��B

\hspace{-7mm}
\begin{tabular}{|@{\vrule width 0.3pt}c@{}|c|@{}c@{}|c|@{\vrule width 0.3pt}}
\noalign{\hrule height 0.3pt}\hline
 & \hspace{35mm} & & \hspace{35mm} \\[-8pt]
$\>$\ajMaru{1}$\>$ & \color{white}{����} & $\>$\ajMaru{2}$\>$ & \color{white}{�����̍�}  \\[-8pt]
 & & &  \\
\hline
 & ~~~~~~~~ & & ~~~~~~~~ \\[-8pt]
\ajMaru{3} & \color{white}{���̍�} & \ajMaru{6} & \color{white}{$ax=b$} \\[-8pt]
 & & &  \\
\hline
 & & &  \\[-8pt]
\ajMaru{5} & \color{white}{�W��} & \ajMaru{6} & \color{white}{������͂炤} \\[-8pt]
 & & &  \\
\noalign{\hrule height 0.3pt}\hline
\end{tabular}\\

\item ������$3x-5=4$��$x$��$2$����$4$�܂ł̐����������āC
���ӂ̒l�ƉE�ӂ̒l���ׂ܂����B
�ȉ��̖₢�ɓ����Ȃ����B

\begin{enumerate}
\item �ȉ��̕\���������Ȃ����B

\vspace{0.5mm}\hspace{-12mm}
\begin{tabular}{|@{\vrule width 0.3pt}c@{}|c|@{}c@{}|@{}c@{}|@{\vrule width 0.3pt}}
\noalign{\hrule height 0.3pt}\hline
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~$x$�̒l$\>$ & ���ӂ̒l & $\>$�召�֌W$\>$ & $\>$�E�ӂ̒l$\>$ \\
%[-8pt]
% & & &  \\
\hline
 & \hspace{40mm} & &  \\[-8pt]
 $2$ & \color{white}{$3\times 2-5=1$} & \color{white}{$<$} & $4$ \\[-8pt]
 & & &  \\
\hline
 & & &  \\[-8pt]
 $3$ & \color{white}{$3\times 3-5=4$} & \color{white}{$=$} & $4$ \\[-8pt]
 & & &  \\
\hline
 & & &  \\[-8pt]
 $4$ & \color{white}{$3\times 4-5=7$} & \color{white}{$>$} & $4$ \\[-8pt]
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\item ��̕\���炱�̕������̉������߂Ȃ����B

\LINEK{x=3}

\end{enumerate}

\item ���̐��ʂ̊֌W�����ŕ\���Ȃ����B

\begin{enumerate}

\item $a$\ajLig{km}�̓��̂������$5$\ajLig{km}�ŕ������Ƃ�$3$���Ԉȏォ�������B

\LINEK{\dfrac{\>a\>}{5}\geqq 3}

\item $1$��$80$�~�̂��َq��$x$�ƁC$1$�{$120$�~�̃W���[�X��$y$�{��������ŁC$500$�~�������炨�������炸�������Ƃ��ł��Ȃ������B

\LINEK{80x+120y>500}

\newpage

\item ��ӂ�$a$\ajLig{cm}�C������$h$\ajLig{cm}�̎O�p�`�̖ʐς�$24$\ajLig{cm2}�������B

\LINEK{\dfrac{1}{\>2\>}ah=24}
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\item ���̕������𓙎��̐������g���ĉ����Ȃ����B

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{\color{white}{$\dfrac{\>2x\>}{2}$}} & {\color{white}{$\>=\>$}} & {\color{white}{$\dfrac{\>4\>}{2}$}} \\
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\item ���̕������������Ȃ����B

\begin{enumerate}
\item $x-9=-3$

\hspace{-15mm}���v�Z��

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{\color{white}{$x=-3+9$}}

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\item $\dfrac{\>x\>}{3}=-9$

\hspace{-15mm}���v�Z��

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\item $12-2x=18$

\hspace{-15mm}���v�Z��

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\item $3x+1=-5x-5$

\hspace{-15mm}���v�Z��

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\item $5-6x=-3x-4$

\hspace{-15mm}���v�Z��

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{\color{white}{
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\item $4(x+3)-(2-3x)=3$

\hspace{-15mm}���v�Z��

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\vfill
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\item $1.1x+1.4=3-0.5x$

\hspace{-15mm}���v�Z��

\vspace{-1.5zw}
{\color{white}{
\hspace{-1.5mm}
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$11x+14$ & $\>=\>$ & $30-5x$ \\
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}}
\vfill
\vfill
\vfill
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\item $\displaystyle \frac{\>3x\>}{4}-2\>=\>\dfrac{\>x+4\>}{3}$

\hspace{-15mm}���v�Z��

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{\color{white}{
\hspace{-1.5mm}
\begin{tabular}{r@{}c@{}l}
$9x-24$ & $\>=\>$ & $4x+16$ \\
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}}
\vfill
\vfill
\LINEK{x=8}

\end{enumerate}

\item �܂莆�����l���̎q���ɔz��܂��B
$1$�l��$4$�����z���$9$������܂���B
�܂��C$1$�l��$3$�����z���$15$���]��܂��B
�q���̐l���Ɛ܂莆�̖������ȉ��̖₢�ɂ��������ċ��߂Ȃ����B

\begin{enumerate}

\item �q���̐l����$x$�l�Ƃ��ĕ���������������Ȃ����B

\hspace{-8mm}
\begin{tabular}{|@{\vrule width 0.3pt \hspace{2.5mm}}c|@{\vrule width 0.3pt}}
\noalign{\hrule height 0.3pt}\hline
\hspace{80mm}  \\[-8pt]
\color{white}{$4x-9=3x+15$} \\[-8pt]
\\
\noalign{\hrule height 0.3pt}\hline
\end{tabular}

\hspace{-8mm}
���v�Z��

\hspace{17mm}
{\color{white}{\begin{tabular}{r@{}c@{}l}
$4x-9$ & $\>=\>$ & $3x+15$ \\
$4x-3x$ & $=$ & $15+9$ \\
$x$ & $=$ & $24$ \\
\end{tabular}}}
\vfill
\begin{flushright}
\begin{tabular}{@{}c@{}}
\hspace{35mm} \\[-12pt]
{\color{white}{$24$}~�l} \\
%   \\
\hline
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\end{flushright}
\vspace{0.5mm}

\item �܂莆�̖�����$x$���Ƃ��ĕ���������������Ȃ����B

\hspace{-8mm}
\begin{tabular}{|@{\vrule width 0.3pt \hspace{2.5mm}}c|@{\vrule width 0.3pt}}
\noalign{\hrule height 0.3pt}\hline
\hspace{80mm}  \\[-8pt]
\color{white}{$\dfrac{\>x+9\>}{4}=\dfrac{\>x-15\>}{3}$} \\[-8pt]
\\
\noalign{\hrule height 0.3pt}\hline
\end{tabular}

\hspace{-8mm}
���v�Z��

{\color{white}
{\hspace{11mm}
\begin{tabular}{r@{}c@{}l}
$\dfrac{\>x+9\>}{4}$ & $\>=\>$ & $\dfrac{\>x-15\>}{3}$ \\
$\dfrac{\>x+9\>}{4}\times 12$ & $\>=\>$ & $\dfrac{\>x-15\>}{3}\times 12$ \\
$3(x+9)$ & $=$ & $4(x-15)$ \\
$3x+27$ & $=$ & $4x-60$ \\
$3x-4x$ & $=$ & $-60-27$ \\
$-x$ & $=$ & $-87$ \\
$x$ & $=$ & $87$ \\
\end{tabular}}}
\vfill
\begin{flushright}
\begin{tabular}{@{}c@{}}
\hspace{35mm} \\[-12pt]
{\color{white}{$87$}~��} \\
%   \\
\hline
\end{tabular}
\end{flushright}
\vspace{0.5mm}

\end{enumerate}

\item �o��$9$���ɉƂ��o�����ĉw�Ɍ������܂����B
�o�̖Y�ꕨ�ɋC�Â��������C$9$��$10$���ɉƂ��o�����āC���]�ԂŎo��ǂ������܂����B
�o�̕��������𖈕�$60$\ajLig{m}�C���̎��]�Ԃ̑����𖈕�$120$���Ƃ���ƁC
�����o�ɒǂ����̂́C$9$�������ł����B
�����������苁�߂Ȃ����B

\vspace{2mm}
\underline{\color{white}{�ǂ����܂ł̎���}}��$x$�Ƃ���B

\begin{tabular}{|@{\vrule width 0.3pt \hspace{2.5mm}}c|@{\vrule width 0.3pt}}
\noalign{\hrule height 0.3pt}\hline
\hspace{80mm}  \\[-8pt]
\color{white}{$120x=60(x+10)$} \\[-8pt]
\\
\noalign{\hrule height 0.3pt}\hline
\end{tabular}

���v�Z��

\hspace{15mm}
{\color{white}{
\begin{tabular}{r@{}c@{}l}
$120x$ & $\>=\>$ & $60(x+10)$ \\
$120x$ & $=$ & $60x+600$ \\
$120x-60x$ & $=$ & $600$ \\
$60x$ & $=$ & $600$ \\
$x$ & $=$ & $10$ \\
\end{tabular}}}
\vfill
\begin{flushright}
\begin{tabular}{@{}c@{}}
\hspace{35mm} \\[-12pt]
{\color{white}{$9$��$20$��}} \\
%   \\
\hline
\end{tabular}
\end{flushright}
\vspace{0.5mm}

\end{enumerate}

\end{document}
