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

\begin{itemize}
\item ������$3a+7$�ɂ�����~\fbox{~~\ajMaru{1}~~}~�C\fbox{~~\ajMaru{1}~~}~�����̎��̍��Ƃ����B
�܂��C�������܂ލ�$3a$�ŁC���̕���$3$��$a$��~\fbox{~~\ajMaru{2}~~}~�Ƃ����B

\item $2x$��$-8a$�̂悤�ɁC$1$�̕����Ɛ��C���̐��Ƃ̐ςŕ\����鍀��$1$���̍��Ƃ����B
$3a-7$�̂悤�ɁC$1$���̍��Ɛ��̍��Ƃ̘a�̎���C$7x$�̂悤�ɁC$1$���̍������̎���~\fbox{~~\ajMaru{3}~~}~�Ƃ����B

%\item ���̒��̕����𐔂ł��������邱�Ƃ��C�����ɂ��̐���~\fbox{~~\ajMaru{3}~~}~����Ƃ����C\fbox{~~\ajMaru{3}~~}~�������ʂ��C���̎��̒l�Ƃ����B
%
\item ��$-x$�͕��̐��̂悤�Ȍ`�����Ă��邪�C~\fbox{~~\ajMaru{4}~~}~�̂Ƃ��͐��̐��ɁC~\fbox{~~\ajMaru{5}~~}~�̂Ƃ��͕��̐��ɂȂ�B
��������$-x^2$��$x$�ɂǂ�Ȑ��������Ă�~\fbox{~~\ajMaru{6}~~}~�ɂȂ邱�Ƃ͂Ȃ��B

\end{itemize}

\vspace{0.5mm}\hspace{-7mm}
\begin{tabular}{|@{\vrule width 0.3pt}c@{}|@{}c@{}|@{}c@{}|@{}c@{}|@{}c@{}|@{\vrule width 0.3pt}}
\noalign{\hrule height 0.3pt}\hline
 & \hspace{20mm} & \hspace{20mm} & & \hspace{40mm} \\[-8pt]
~\ajMaru{1}~ & \color{white}{$3a$} & \color{white}{$+7$} & ~\ajMaru{2}~ & \color{white}{�W��} \\[-8pt]
 & & & & \\
\hline
 & \multicolumn{2}{@{}c@{}|@{}}{} & & \\[-8pt]
~\ajMaru{3}~ & \multicolumn{2}{@{}c@{}|@{}}{\color{white}{$1$����}} & \ajMaru{4} & \color{white}{$x<0$} \\[-8pt]
 & \multicolumn{2}{@{}c@{}|@{}}{} & & \\
\hline
 & \multicolumn{2}{@{}c@{}|@{}}{} & & \\[-8pt]
~\ajMaru{5}~ & \multicolumn{2}{@{}c@{}|@{}}{\color{white}{$x>0$}} & \ajMaru{6} & \color{white}{���̐�} \\[-8pt]
 & \multicolumn{2}{@{}c@{}|@{}}{} & & \\
\noalign{\hrule height 0.3pt}\hline
\end{tabular}\\

\item ���̎��𕶎����̕\�����ɂ��������ĕ\���Ȃ����B
\begin{enumerate}
\item $x\times 3$

\LINEK{3x}

\item $(a-b)\times 2$

\LINEK{2(a-b)}

\item $(m+n)\div 2$

\LINEK{\dfrac{\,m+n\,}{2}}

\item $x\times x\times 4-y\div 2$

\LINEK{4x^2-\dfrac{\,y\,}{2}}

\end{enumerate}

\item ���̌v�Z�����Ȃ����B

\begin{enumerate}

\item $(-7)\times 2y$

\vfill
\LINEK{-14y}

\item $\dfrac{2}{\>3\>}a\times 6$

\vfill
\LINEK{4a}

\item $5x-6x+2x$

\vfill
\LINEK{x}

\item $(-7x-1)+(x+4)$

\vfill
\LINEK{-6x+3}

\item $(x-8)-(2x-5)$

\hspace{-15mm}���v�Z��~~{\color{white}{$=x-8-2x+5$}}

\vspace{-2zw}

\vfill
\LINEK{-x-3}

\newpage

\item $5(-2a+4)-(-a+8)$

\hspace{-15mm}���v�Z��~~{\color{white}{$=-10a+20+a-8$}}

\vspace{-2zw}

\vfill
\vfill
\LINEK{-9a+12}

\item $(10x-5)\div \dfrac{\>5\>}{2}$

\hspace{-15mm}���v�Z��~~{\color{white}{$=(10x-5)\times \dfrac{2}{\>5\>}$}}

\vspace{-2zw}

\vfill
\vfill
\LINEK{4x-2}

\item $3(2y+1)-8(y-2)$

\hspace{-15mm}���v�Z��~~{\color{white}{$=6y+3-8y+16$}}

\vspace{-2zw}

\vfill
\vfill
\LINEK{-2y+19}

\item $\dfrac{1}{\>2\>}(6x+4)-\dfrac{1}{\>3\>}(6x-3)$

\hspace{-15mm}���v�Z��

\vspace{-2zw}
{\color{white}{$=3x+2-2x+1$}}

\vfill
\vfill
\LINEK{x+3}

\item $\dfrac{\>x+8\>}{4}+\dfrac{\>x-4\>}{2}$

\hspace{-15mm}���v�Z��

\vspace{-1zw}
{\color{white}{$=\dfrac{\>x+8+2(x-4)\>}{4}$}}

\vspace{2mm}{\color{white}{$=\dfrac{\>x+8+2x-8\>}{4}$}}

\LINEK{\dfrac{\>3\>}{4}x}

\end{enumerate}

\item $a=-3\>,\>b=2$�̂Ƃ��C���̎��̒l�����߂Ȃ����B

\hspace{-3mm}
\begin{tabular}{|@{\vrule width 0.3pt \hspace{2,5mm}}lll@{}|lll@{}|@{\vrule width 0.3pt}}
\multicolumn{3}{l}{(1)~$2a-5b$} & \multicolumn{3}{l}{(2)~$a^2-2b^2$} \\
\noalign{\hrule height 0.3pt}\hline
���v�Z��& && ���v�Z�� && \\
\multicolumn{3}{|@{\vrule width 0.3pt \hspace{2,5mm}}l|}{\color{white}{$=2\times (-3)-5\times 2$}} & \multicolumn{3}{l|@{\vrule width 0.3pt}}{\color{white}{$=(-3)^2-2\times 2^2$}} \\
\multicolumn{3}{|@{\vrule width 0.3pt \hspace{2,5mm}}l|}{\color{white}{$=-6-10$}} & \multicolumn{3}{l|@{\vrule width 0.3pt}}{\color{white}{$=9-8$}} \\
%&&& &&\\
\hspace{15mm} & \hspace{18mm} & \hspace{1mm} & \hspace{15mm} & \hspace{18mm} & \hspace{1mm}\\
& \begin{tabular}{@{}c@{}}
\hspace{18mm} \\[-12pt]
{\color{white}{$-16$}} \\
%   \\
\hline
\end{tabular}
 & & & \begin{tabular}{@{}c@{}}
\hspace{18mm} \\[-12pt]
{\color{white}{$1$}} \\
%   \\
\hline
\end{tabular} & \\[-8pt]
&&& &&\\
\noalign{\hrule height 0.3pt}\hline
\end{tabular}
\vspace{0.5mm}

\item �ȉ��̐}�`�̖ʐς��C�������ŕ\���Ȃ����B

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\noalign{\hrule height 0.3pt}\hline
& && && \\
\multicolumn{3}{|@{\vrule width 0.3pt \hspace{2,5mm}}l|}{\color{white}{$a\times h\div 2$}} & \multicolumn{3}{l|@{\vrule width 0.3pt}}{\color{white}{$(a+b)\times h\div 2$}} \\
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\hspace{18mm} \\[-12pt]
{\color{white}{$\dfrac{\,ah\,}{2}$~~~\ajLig{cm2}}} \\
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 & & & \begin{tabular}{@{}c@{}}
\hspace{18mm} \\[-12pt]
{\color{white}{$\dfrac{\,(a+b)h\,}{2}$}~~~\ajLig{cm2}} \\
%   \\
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&&& &&\\
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\begin{flushright}
(���ɂÂ�)
\end{flushright}

\newpage

\item ���̐��ʂ𕶎����ŕ\���Ȃ����B

\begin{enumerate}

\item $1$��$80$�~�̂��ɂ���$\>x\>$��$y$�~�̂���$1$�{�̍��v�B

\vfill
\begin{flushright}
\begin{tabular}{@{}c@{}}
\hspace{35mm} \\[-12pt]
{\color{white}{$80x+y$}}~~(�~) \\
\hline
\end{tabular}
\end{flushright}
\vspace{1mm}

\item �S�Z���k$x$�l��$46$\%���j�q�ł���Ƃ��C���q�̐l���B

{\color{white}{$1-\dfrac{46}{\,100\,}=\dfrac{54}{\,100\,}=\dfrac{27}{\,50\,}$}}
\vfill
\begin{flushright}
\begin{tabular}{@{}c@{}}
\hspace{35mm} \\[-12pt]
{\color{white}{$\dfrac{27}{\,50\,}x$}}~~~~~(�l) \\
\hline
\end{tabular}
\end{flushright}
\vspace{1mm}

\item $a$�l�̐��k�Ɏ���$5$�����z������$b$������Ȃ������Ƃ��́C�ŏ��ɂ��������̖����B

\vfill
\begin{flushright}
\begin{tabular}{@{}c@{}}
\hspace{35mm} \\[-12pt]
{\color{white}{$5a-b$}}~~~(��) \\
\hline
\end{tabular}
\end{flushright}
\vspace{1mm}

\item $x$\ajLig{m}�̓��̂���C����$80$\ajLig{m}��$y$���ԕ������Ƃ��̎c��̓��̂�B

{\color{white}{(���̂�)$=$(����)$\times$(����)}}
\vfill
\begin{flushright}
\begin{tabular}{@{}c@{}}
\hspace{35mm} \\[-12pt]
{\color{white}{$x-80y$}}~~~(\ajLig{m}) \\
\hline
\end{tabular}
\end{flushright}
\vspace{1mm}

\item $a$\ajLig{m}�̂Ђ���$b$\ajLig{cm}�̂Ђ������킹�������͉�\ajLig{cm}�ł����B

{\color{white}{$1$\ajLig{m}��$100$\ajLig{cm}}}
\vfill
\begin{flushright}
\begin{tabular}{@{}c@{}}
\hspace{35mm} \\[-12pt]
{\color{white}{$100a+b$}}~~~(\ajLig{cm}) \\
\hline
\end{tabular}
\end{flushright}
\vspace{1mm}

\end{enumerate}

\item ��،N�̐g����$a$\ajLig{cm}�C�����N�̐g����$b$\ajLig{cm}�ł��B
���̎��͂ǂ�Ȑ��ʂ̊֌W��\���Ă��܂����B
���Ƃ΂Ő������Ȃ����B

\begin{enumerate}
\item $a<b$

\vspace{1mm}
\begin{tabular}{|@{\vrule width 0.3pt \hspace{2,5mm}}l|@{\vrule width 0.3pt}}
\noalign{\hrule height 0.3pt}\hline
�������� \\
\color{white}{��،N�͍����N�����w���Ⴂ�B} \\
\hspace{73mm} \\
\hspace{73mm} \\
\noalign{\hrule height 0.3pt}\hline
\end{tabular}

\vspace{1mm}
\item $a+b=300$

\vspace{1mm}
\begin{tabular}{|@{\vrule width 0.3pt \hspace{2,5mm}}l|@{\vrule width 0.3pt}}
\noalign{\hrule height 0.3pt}\hline
�������� \\
\color{white}{$2$�l�̐g���̍��v��$300$\ajLig{cm}�ł���B} \\
\hspace{73mm} \\
\hspace{73mm} \\
\noalign{\hrule height 0.3pt}\hline
\end{tabular}
\vspace{0.5mm}

\end{enumerate}

\newpage

\item �Ίp���̒�����$4$\ajLig{cm}�̐����`�̐܂莆���C��������1�̒��_���Ίp���̌�_�ɏd�Ȃ�悤�ɂȂ��ŏ��������܂��B
���̂��Ƃɂ��Ĉȉ��̖₢�ɓ����Ȃ����B

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%\vspace{2mm}
\begin{enumerate}
\item $3$�������`��}�̂悤�ɂȂ����Ƃ�������S�̂̒��������߂Ȃ����B

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\hspace{35mm} \\[-8pt]
~~~~{\color{white}{$8$}}~~~~~~~\ajLig{cm} \\[-8pt]
\\
\noalign{\hrule height 0.3pt}\hline
\end{tabular}
\end{flushright}
\vspace{0.5mm}

\item ���̂Ȃ������Ő����`$n$���Ȃ����Ƃ��S�̂̒��������߂Ȃ����B(�r���̎����L�q���Ȃ����B)

\vspace{0.5mm}
\begin{tabular}{|@{\vrule width 0.3pt \hspace{2,5mm}}l|@{\vrule width 0.3pt}}
\noalign{\hrule height 0.3pt}\hline
\color{white}{$1$�������邲�Ƃ�$2$\ajLig{cm}������̂�} \\
\color{white}{$2\times n+2$} \\
\color{white}{����� $2n+2$~~~~\ajLig{cm}} \\[-8pt]
\hspace{73mm} \\
\hspace{73mm} \\
\noalign{\hrule height 0.3pt}\hline
\end{tabular}
\vspace{0.5mm}

\item �㉺�����ԑΊp����$3$��������������$n$���Ȃ����Ƃ��S�̂̒��������߂Ȃ����B

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\noalign{\hrule height 0.3pt}\hline
\color{white}{$1$�������邲�Ƃ�$\dfrac{\,8\,}{3}$\ajLig{cm}������̂�} \\
\color{white}{$\dfrac{\,8\,}{3}\times n+\dfrac{\,4\,}{3}$} \\
\color{white}{����� $\dfrac{\,8\,}{3}n+\dfrac{\,4\,}{3}$~~~~\ajLig{cm}} \\[-8pt]
\hspace{73mm} \\
\hspace{73mm} \\
\noalign{\hrule height 0.3pt}\hline
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\end{enumerate}

\item $9$��$1$�������Ɠ�����ׂĐ��ŕ\����$901$�ł��B�ȉ��̕\�͂���N�̂��錎�̃J�����_�[�ł��B
���̃J�����_�[��$a$���Ƃ����Ƃ����̌��̂��ׂĂ̓��̃J�����_�[�̐��̍��v��$a$��p���ĕ\���Ȃ����B(�������łȂ��l�����܂��͋��ߕ����L�q���Ȃ����B)

\begin{center}
\begin{tabular}{@{}|@{\vrule width 0.3pt}c@{}|@{}c@{}|@{}c@{}|@{}c@{}|@{}c@{}|@{}c@{}|@{}c@{}|@{\vrule width 0.3pt}}
\noalign{\hrule height 0.3pt}\hline
~~��~~ & ~~��~~ & ~~��~~ & ~~��~~ & ~~��~~ & ~~��~~ & ~~�y~~ \\
\hline
\hline
&&&& $1$ & $2$ & $3$ \\
\hline
$4$ & $5$ & $6$ & $7$ & $8$ & $9$ & $10$ \\
\hline
$11$ & $12$ & $13$ & $14$ & $15$ & $16$ & $17$ \\
\hline
$18$ & $19$ & $20$ & $21$ & $22$ & $23$ & \,$24$\, \\
\hline
\,$25$\, & \,$26$\, & \,$27$\, & \,$28$\, & \,$29$\, & \,$30$\, & \\
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\noalign{\hrule height 0.3pt}\hline
\color{white}{$a\times 100$��$30$����̂�3000a} \\
\color{white}{���̍��v��$31\times 30\div 2=465$} \\
\color{white}{����� $3000a+465$} \\[-8pt]
\hspace{78mm} \\
\hspace{73mm} \\
\hspace{73mm} \\
\hspace{73mm} \\
\noalign{\hrule height 0.3pt}\hline
\end{tabular}
\vspace{0.5mm}

\end{enumerate}

\end{document}
