·µ»Ø

Ç×ÎÇÎÒµÄÎÞÁ¼Ð£²Ý

Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
Ôõô˵Ҳ²îÌ«¶à(1/2)
   ´æÊéÇ© Êé¼Ü¹ÜÀí ·µ»ØÄ¿Â¼
    ÎÒ·­Á˸ö°×ÑÛ£¬ºÙ£¬Õâ¼Ò»ïºÃÏñ»¹Í¦¸ßÐË£¡

    ´ó¸çÓÐЩ¡ª¡ª£¬µÄ¿´×Å×Ô¼ºµÄµÜµÜ

    ¸Õ²ÅÊÇ˭˵ÈÃËý¶à˯һ»á¶ùµÄ£¿

    ÕâС×Ó£¬²»Ì¹³ÏÒ²¸øÎÒÓиöÏ޶Ⱥò»ºÃ°¡£¡£¿

    Ëĵ㣬¼ÒÀïÊÕʰµÃ»ÀȻһÐÂ

    ¸É¾»ÀäÀ÷Êǰְֵķç¸ñ£¬ºÚ°×ÒàÊÇËûËùϲ°®µÄ£¬Àä±ùÁ¹ÏÔÈ»¼Ì³ÐÕâÒ»µã¸ü¶àһЩ

    ÖÕÓÚ£¬ÃÅ¿ªÁË£¬°Ö°Ö´©×ÅÃûÅÆÎ÷·þ£¬Ð¦ÈÝÇ×ÇеÄ×ßÁ˽øÀ´

    Éí²Ä½¡×³µÄ°Ö°Ö¿´ÉÏÈ¥²¢²»ÏñËÄÊ®¼¸ËêµÄÖÐÄêÈË£¬Ôõô¿´ÔõôÏñÊÇËûÃÇÈýÈ˵ÄÐÖ³¤
Ôõô˵Ҳ²îÌ«¶à(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»Õ Ŀ¼ ÏÂÒ»Ò³