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

\begin{itemize}
\item $1$���֐�$y=ax+b$�̃O���t�͌X����$a$��\fbox{~~\ajMaru{1}~~}��$b$�̒����ł��B
�X��$a$��\fbox{~~\ajMaru{2}~~}�̂Ƃ��O���t�͉E�オ��ŁC
\fbox{~~\ajMaru{3}~~}�̂Ƃ��O���t�͉E������̒����ɂȂ�܂��B
�܂����̃O���t��\fbox{~~\ajMaru{4}~~}�̃O���t��$y$���ɂ�����$b$�������s�Ɉړ����������ł��B

�܂��X����������$\displaystyle \frac{\fbox{~~\ajMaru{5}~~}}{~��������~}$�ŕ\�����Ƃ��ł��C
���ꂪ$1$���֐��ł�$a$�̒l�ƂȂ�܂��B

\item $x$�̑����ʂ����Ƃɂ����Ƃ���$y$�̑����ʂ̊�����ω��̊����Ƃ����܂��B
$1$���֐�$y=ax+b$�̕ω��̊����͈���\fbox{~~\ajMaru{6}~~}�ɓ������Ƃ�������������܂��B
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\item �ȉ��̃O���t�ɂ��Ď��̖₢�ɓ����Ȃ����B

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\begin{enumerate}

\item �O���t�̌X����\���O�p�`��$1$�C��̍��W���ʂɏ����Ȃ����B(�O�p�`�𔖂��h�邩�C�ΐ��������Ȃ����B)

\item �X����ǂݎ��Ȃ����B

\item ���̒����̎������߂Ȃ����B

\end{enumerate}

\begin{tabular}{|c|c|c|c|}
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   &               &    &              \\[-8pt]
(2) & \hspace{30mm} & (3) & \hspace{30mm}  \\[-8pt]
   &               &    &           \\
\hline
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%%�����̎�
\item ���̒����̎������߂Ȃ����B

\begin{enumerate}
\item �_$(~0,~3)$��ʂ�C�X����$\displaystyle -\frac{1}{~2~}$�̒���

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\item �X����$-2$�ŁC�_$(~2,~7)$��ʂ钼��

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\item �_$(~3,~4)$��ʂ�C$\displaystyle y=\frac{3}{~4~}x-3$�ɕ��s�Ȓ���

����������

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(4) 2�_$(~4,-8)$�C$(-6,-3)$��ʂ钼��

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\item ���̐}�̒����̎������߂Ȃ����B

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 & \hspace{30mm} & & \hspace{30mm} \\[-8pt]
$(1)$ & & $(2)$ & \\[-8pt]
 & & & \\[-8pt]
 & & & \\[-8pt]
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\begin{flushright}
�i���ւÂ��j
\end{flushright}

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\parindent = 0zw 
%%�O���t��}
\item ���̂P���֐��̃O���t�������Ȃ����B

(1) $y=2x+3$ ~~~~(2) $y=x-3$ ~~~~(3) $\displaystyle y=-\frac{3}{~2~}x-2$

�i�O���t�ɔԍ������Ă킩��悤�ɂ��Ȃ����B�j

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\item ���̘A���������̉����O���t���g���ċ��߂Ȃ����B

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B�̎Ԃ͕��ʂ̏ȃG�l�K�\�����ԂŒ艿��$150$���~�B�K�\����$1\, \ell$������$20$\ajLig{km}����܂��B
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\end{document}
