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\item $2$��������$ax^2+bx+c=0$�̉��̌����������Ȃ����B

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\item ����$2$���������������Ȃ����B

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\item �A������$3$�̎��R��������܂��B
��ԑ傫�Ȑ���$2$�悪�C�c���$2$���̐ς�$2$�{���$11$�������Ȃ�Ƃ��C
����$3$�̎��R����$2$��������������ċ��߂Ȃ����B

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������������ѓ��� \\
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\item[\bf 4.] ~~

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�ʐς�$54$\ajLig{m2}�̉Ԃ���ɂ���ɂ͏c����\ajLig{m}�ɂ��Ă�����łĂ΂悢�ł����B
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\item[\bf 5.] ��$18$\ajLig{m}�C�c$9$\ajLig{m}�̒����`�̓y�n�ɁC���̐}�̂悤�ɕ������̓�������C
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���̕���$x$\ajLig{m}�Ƃ��ĕ�����������ċ��߂Ȃ����B

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