関連ワード:  when dividing by a negative in an inequality    when you multiply an inequality by a negative    when dividing a negative number in an inequality    what happens when you divide by a negative in an inequality    what happens when you multiply by a negative in an inequality    when dividing an inequality by a negative does the sign flip    why do you flip the inequality sign when dividing by a negative  
結果 : when dividing by a negative in an inequality