関連ワード:  if a negative number is multiplied by a positive number    when a negative number is multiplied by a positive number the result must be    what happens if a negative number is multiplied by a positive number    if you multiply a negative number by a positive number    what type of number results when a negative number is multiplied by a positive number and vice versa    when you multiply a negative number by a positive number    what is the sign of the product when a negative number is multiplied by a positive number    what happens when you add a positive number to a negative number  
結果 : if a negative number is multiplied by a positive number