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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\onecolumn {\Large\bf{�R�N���w�@�P�͖͂̏����\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�@���̌v�Z�����Ȃ����B

\YYToi{\;\;$6c \biggr( -\dfrac{1}{2}a +\dfrac{2}{3}b \biggl)$}{\;\;$\dfrac{2}{3}x(15x-9y+6)$}

\vfill

\YYToi{\;\;$(2x^2y -12xy^2)\div 3xy$}{\;\;$(9a^2b - 3ab) \div \biggr(-\dfrac{3}{2}a \biggl)$}

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\Toi�@���̎���W�J���Ȃ����B

\YYToi{\;\;$(-5x+4y)^2$}{\;\;$\biggr( 2x-\dfrac{1}{3} \biggl)^2$}

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\YYToi{\;\;$\biggr( x-\dfrac{1}{4} \biggl)\biggr( x+\dfrac{1}{4} \biggl)$}{\;\;$(7x-2)(7x+2)$}

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\YYToi{\;\;$(x+3)(x-7)$}{\;\;$(2x+5)(2x+9)$}

\vfill

\YYToi{\;\;$(2x-3y-1)(2x-1)$}{\;\;$(a+b)(a+b-c)$}

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\Toi�@���̎����ȒP�ɂ��Ȃ����B

\YYToi{\;\;$(a+b)^2 +(a-b)^2$}{\;\;$(x-1)(x+2)-(x-3)(x-5)$}

\vspace{5cm}

\YYToi{\;\;$(x+3)^2 -(x+2)(x+4)$}{\;\;$(2x+1)(2x-1)-(x-5)(x+2)$}

\vspace{5cm}

\Toi�@���̎��������������Ȃ����B

\YYToi{\;\;$10x^2+25x$}{\;\;$x^2 -\dfrac{1}{4}y^2$}

\vfill

\YYToi{\;\;$x^2+10x+24$}{\;\;$x^2+x+\dfrac{1}{4}$}

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\YYToi{\;\;$x^2-9x+20$}{\;\;$a^2b-ab^2$}

\vfill

\YYToi{\;\;$x^2-6x-27$}{\;\;$25x^2-30x+9$}

\vfill

\YYToi{\;\;$a^2-2a-15$}{\;\;$-10x+9+x^2$}

\vfill

\newpage

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\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�@���̎��������������Ȃ����B

\YYToi{\;\;$-x^2+5x+6$}{\;\;$(x-2)^2-3(x-2)+2$}

\vspace{3cm}

\YYToi{\;\;$(x+y)^2 -4$}{\;\;$(x-y)^2 +4(x-y)-5$}

\vspace{3cm}

\Toi�@���̎��̒l�����߂Ȃ����B

\YYToi{\;\;$x=198$�̂Ƃ��C$x^2+4x+4$�̒l}{\;\;$x=3.75$�C$y=2.25$�̂Ƃ��C$x^2-y^2$�̒l}

\vspace{4cm}


\SubToi{\;\;$a=17$�C$b=4$�̂Ƃ��C$(a+b)^2-2(a+b)+1$�̒l}

\vspace{4cm}

\Toi�@96�ɂł��邾�����������R���������āC���鎩�R����2��ɂ���ɂ́C

�@�ǂ̂悤�Ȑ���������΂悢�ł��傤���B96��f�����������čl���Ȃ����B

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\Toi�@�A������2�̐����ŁC�傫������2�悩�珬�������̐���2���

�@�Ђ������ɂ��āC�ǂ�Ȃ��Ƃ��\�z����܂����B

�@�܂��C���̗\�z�����������Ƃ��ؖ����Ȃ����B

\vspace{2cm}

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\hskip20pt $6^2-5^2=\BOXY{1.5}{0.7}{}$

\hskip20pt $7^2-6^2=\BOXY{1.5}{0.7}{}$

$101^2-100^2=\BOXY{1.5}{0.7}{}$

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\Toi�@����(�A)��(�C)�ł́C�ǂ���̕����C�v�Z���ʂ��傫���Ȃ�܂����B

(�A)\;\;$364 \times 366$   \hskip50pt (�C)\;\;$363 \times 367$

\vspace{4cm}

\Toi�@���̎����C���ӂ����Čv�Z���Ȃ����B

\YYToi{\;\;$9^2 -10^2 +11^2$}{\;\;$21^2 -20^2 +19^2 -18^2+17^2-16^2$}




\vspace{4cm}


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\Toi�@�E�̐}�̂悤�ɁCAB�𒼌a�Ƃ���~���C

�@AC�CCB���C���ꂼ�꒼�a�Ƃ��锼�~�ɂ���āC

�@$P$�C$Q$��2�̕����ɕ������Ă��܂��B

�@���̂Ƃ��CAC$=2a$�C\;\;\; CB$=2b$

�@�Ƃ��āC$P$��$Q$�̖ʐς̔�����߂Ȃ����B

\vspace{4cm}

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