関連ワード:  does a negative plus a positive make a negative    does a negative divided by a positive make a negative    does a negative plus a positive equals a negative    a negative plus a positive equals a negative    negative plus negative make a positive    a negative divided by a positive equals a negative    does a negative number plus a negative number make a positive    is a negative plus a negative always a positive    what happens when you add a negative with a positive    is a negative add a negative a positive  
結果 : does a negative plus a positive make a negative