µ«ÊÇÒ¶ÄÁÔÚÕâÀïÃæ·¢ÏÖÁËÒ»Ð©Ææ¹ÖµÄÈËȺ£¬ÄÇЩÈ˶¼ÊÇÒìÄÜÕߣ¬Õâ×ÅʵÈõÃËûÒ¶ÄÁÓÐÐ©Ææ¹Ö¡£
ÒìÄÜÕߣ¬¿¿µÄÊÇ×Ô¼ºÉíÌåÒòΪijЩ¶«Î÷żȻ֮¼ä»ñµÃµÄÌØ±ðµÄÄÜÁ¦£¬ÀýÈç·ç£¬»òÕßÊÇ»ð£¬ÊÀ½çÉÏÈκÎÎïÖÊ£¬ËûÃÇÕâЩÒìÄÜÕß¶¼ÓпÉÄÜ»á»ñµÃ¡£
µ«ÊÇÒìÄÜÕßÕæÒª¸úÐÞÏÉÕß±ÈÆðÀ´£¬ËµÊµ»°ÖÕÊDz»³ÉÆøºò£¬ÒòΪÒìÄÜÕß²¢Ã»ÓÐÕæ...
µÚ¶þ°ÙÎåÊ®¶þÕ ½á½ç(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ