4ÔÂ1ºÅÉϼܣ¬¹ßÀýҪд¸ö¸ÐÏë¡£
˵ʵ»°£¬ÕæÃ»Ê²Ã´¸ÐÏë¡£
ÎÒÆäʵÊǸöͦľګµÄÈË£¬²»Ö¹ÊDz»°®Ëµ»°£¬ÇéÐ÷µÄ²¨¶¯Ò²²»Ôõô´ó£¬ÓÐЩʱºò¶¼Ã»ÓÐÇéÐ÷¡£
ÎÒ×Ô¼ºÒ²»á»³ÒÉ£¬ÊDz»ÊÇÓÐЩÇéÐ÷ȱʧ£¬»òÕ߸ÐÇéÕϰʲôµÄ¡£
ÎÞËùνÀ²£¬ÎÒµ¹ÊǾõµÃͦºÃµÄ¡£
ÑÔ¹éÕý´«£¬¸ÐÏëÂï¡
Õâ±¾ÊéдµÄ²»Ì«·ûºÏÍøÂçС˵µÄÖ÷Á÷£¬Ö÷½Ç¼È²»Êǻʵۡ¢Íõ×Ó¡¢ÊÀ¼Ò¸ßÃÅ£¬Ò²Ã»ÓÐÄÜÈÃÖ÷½ÇÇáËÉ»ñʤµÄ½ðÊÖÖ¸¡£
¸üûÓÐװʲô´òʲôµÄÇé½Ú¡£
µ«ÊÇ£¬¸öÈËÈÏΪ£¬ÀúÊ·ÀàµÄС˵£¬ÖªµÀ´óÊÆ×ßÏò¾ÍÊÇ×î´óµÄ½ðÊÖÖ¸ÁË¡£
¾ÍÏñ³Ô·¹Ò»Ñù£¬·¹²Ë¾ÍÔÚ×À×ÓÉÏ£¬ÄãÒ²×øµ½ÁË×À×ÓÅԱߣ¬ÄѵÀ»¹Òª±ðÈ˰ïÄã½ÀËéÁË£¿
ÊÂʵ֤Ã÷£¬ÎÒ´íÁË¡£
ÉϼܸÐÑÔ(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ