関連ワード:  is a negative plus a positive a negative    is a negative plus a positive a negative or positive    is a negative plus a positive a negative number    is a negative divided by a positive a negative    is a negative plus a positive always a negative    is a negative plus a positive equal a negative    is a negative divided by a positive equal a negative    does a negative plus a positive make a negative    is a negative divided by a positive still a negative    is a negative divided by a positive always a negative  
結果 : is a negative plus a positive a negative