関連ワード:  what is a negative number plus a negative number    what is a negative number times a negative number    what is a negative number plus a positive number    what is a negative number subtract a negative number    what is a negative number times a positive number    what is a negative number subtract a positive number    what happens when you add a negative number to a negative number    what is a negative plus a negative    what happens when you plus a negative number  
結果 : what is a negative number plus a negative number