関連ワード:  is a negative times a positive a negative number    is a negative number divided by a positive number a negative number    does a negative number times a positive number equal a negative number    is a negative number times a negative number equal a positive number    why is a negative times a positive always negative    is a negative times a positive a negative or a positive    why is a negative number times a negative number positive    does a negative times a negative equal a positive  
結果 : is a negative times a positive a negative number