1Ë示¤Ä¤Î¤ªÃÍÃʤǤ¹¡£¥µ¥ó¥¸¤È¥¨¡¼¥¹¡¢¤É¤Á¤é¤«¤ªÁª¤Ó¤¯¤À¤µ¤¤¡£Î¾Êý¤´´õ˾¤Î¾ì¹ç¡¢1±ß¡ß2+Á÷ÎÁ¤¬¤ª»Ùʧ¶â³Û¤Ë¤Ê¤ê¤Þ¤¹¡£