·µ»Ø

³¬Ç¿´É»é£º³¬×§ÐÂÆÞÀ´Èë¾Ö

Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
µÚһǧÎå°ÙÁãÈýÕÂ:°Ñ±ú(1/2)
   ´æÊéÇ© Êé¼Ü¹ÜÀí ·µ»ØÄ¿Â¼
    ÁË£¬ÓÖ²»ÊÇÌý²»¼û£¡¡±

    ÌÀÍñÓ¨²¢Ã»ÓÐ˵»°£¬Ò²Ã»ÓÐ×èÖ¹ËûµÄÐÐΪ£¬Ö»ÊÇËý¸Ð¾õµ½ºÜÆæ¹Ö£¬ÎªÊ²Ã´ÕâÁ¾¿¨³µÒªÃɵÄÑÏÑÏʵʵµÄ£¬ÒªÊÇÆ½³£ËÍ»õµÄ¿¨³µ£¬ºÞ²»µÃ¶à°óÒ»µã»õÎ¸ù±¾²»¿ÉÄÜÃÉס°¡¡£

µÚһǧÎå°ÙÁãÈýÕÂ:°Ñ±ú(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»Õ Ŀ¼ ÏÂÒ»Ò³