·µ»Ø
³¬Éñ£ºÎÄÃ÷áÈÆð
Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
Çë¼Ù(1/2)
´æÊéÇ©
Êé¼Ü¹ÜÀí
·µ»ØÄ¿Â¼
Çë¼Ù
Çë¼Ù£¬ÈË·³ËÀÁË£¬ÐÞ¸ö·¿×Ó£¬Õâ¼Ò¸ãÎÒÄǼҸãÎÒ£¬ÐÄ̬¶¼±ÀÁË£¬Ò»¸öÆÃ¸¾µÄ²Ë£¬Ö®Ç°¾Í¸øËý˵ÁË£¬²ð·¿×Ó»á²Èµ½ËýµÄ²Ë£¬Ëý×Ô¼º¶¼ËµÃ»Ê£¬ºÃÂ·¿×Ó²ðÁË£¬ÓÖÅܹýÀ´ÄÖÊ£¬Ò»¿Å²ËÒªÎÒÒ»°Ù¿éÇ®£¬¹þ¹þ¹þ¹þ¹þ£¬Ç®¸øÁË£¬Ö±½Óµ±×ÅÀÏ×ÓµÄÃæËºÁË
Çë¼Ù(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»ÕÂ
Ŀ¼
ÏÂÒ»Ò³