°áÁ¤¼¼¾× »ê½Ä = »êÃâ¼¼¾× - ¼¼¾×°øÁ¦ ¿¬¸»Á¤»ê ȯ±Þ ¹× ³³ºÎ¼¼¾× »ê½Ä(¾ç¼ö¸é ³³ºÎ¼¼¾×, À½¼ö¸é ȯ±Þ¼¼¾×) = °áÁ¤¼¼¾× - ±â ³³ºÎ¼¼¾×