²»ÖªµÀΪʲô¡°Ëþ+À+ɯ¡±ÕâÈý¸ö×Ö£¬ÔÚ¶ÁÊéÀïÏÔʾËþls¡£
ËþÀ¾ÞÑýÊǸù¾ÝÏ£À°Éñ»°¸Ä±àµÄÖÁ×ð¾ýÖ÷Ñýħ£¬´«ËµÊÇÅ®º£ÉñµÄºó´ú¡£
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡
½ñÌì¸üÐÂÁË9Õ¡£
ÓÐÔÂÆ±µÄ£¬ÓÐÍÆ¼öƱµÄ¹ÄÀøÒ»ÏÂß¡£
ÓïÎÄûÓÐѧºÃ£¬´í±ð×ֺܶࡣÎÒÒѾ¼ì²éÁ˺ܶà´ÎÁË£¬Ã»Ïëµ½»¹ÓÐÄÇô¶à´í×Ö´í¾ä£¬¸Ðл¼á³Ö¿´ÎÒС˵µÄÈË¡£
Ëþ+À+ɯ(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ