·µ»Ø

ÉñÖÞ»ÃÊÀÐÐ

Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
µÚ¶þ°ÙÁùʮһÕ ½ðȯÈ뻳(1/2)
   ´æÊéÇ© Êé¼Ü¹ÜÀí ·µ»ØÄ¿Â¼
µÀ£º"ÓÖÓÐÇ®ÁË£¬ÔÛÃǽñÌìÖÐÎçÈ¥³ÔʲôºÃ¶«Î÷£¿ËµºÃ£¬Õâ´Î²»ÄܳԵÄÌ«²î¡£"

    ËµµÀ³ÔµÄ£¬ÕÔ°¢²èÒ²ÊÇÑÛ¾¦Ò»ÁÁ¡£
µÚ¶þ°ÙÁùʮһÕ ½ðȯÈ뻳(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»Õ Ŀ¼ ÏÂÒ»Ò³