関連ワード:  negative number multiplied by a negative number    is a negative number multiplied by a negative number positive    negative number times a negative number    negative number times a negative number equals    negative number times negative number is positive    minus number multiplied by minus number    if a negative number is multiplied by a negative number    what happens when you add a negative number to a negative number    why does a negative number times a negative number  
結果 : negative number multiplied by a negative number