関連ワード:  does a negative times a positive equal a negative    does a negative divided by a positive equal a negative    does a negative multiplied by a positive equal a negative    does a negative times a positive always equal a negative    does a negative number times a positive number equal a negative number    do a negative times a negative equal a positive    will a negative times a negative equal a positive    can a negative times a negative equal a positive    in math does a negative times a negative equal a positive  
結果 : does a negative times a positive equal a negative