関連ワード:  is a negative subtract a negative a positive    is a negative plus a negative a positive    is a negative minus a negative a positive    is a negative take away a negative a positive    is a negative plus a negative a positive number    is a negative minus a negative a positive number    does a negative plus a negative a positive    is a negative plus a negative always a positive    is a negative plus a negative equal a positive    is a negative minus a negative always a positive  
結果 : is a negative subtract a negative a positive