¾ÍÏñÏÖÔÚ£¬ËýιÁËÄǼ¸ÌõÉߺ󣬸Ͻô½«´²ÉϵÄСºÚÉßÄÃÏÂÀ´·Åµ½Ò»ÅÔ£¬Ìô×ÅÒ»¸öССµÄÈâµÝµ½ËüµÄ×ì±ß£¬Ëü²ÅÕÅ¿ª×ì°Í³ÔÏÂÈ¥¡£
¿´×ÅËüµÄС×ì°ÍÒ»¶¯Ò»¶¯µÄ£¬ËýÒ²¸Ï½ô³Ô×Ô¼ºµÄ·¹£¬²»ÖªµÀΪʲô£¬ÏÖÔÚµÄËýÄþÔ¸¶Ô×ÅÉߣ¬Ò²²»Ô¸ÒâÃæ¶ÔËýÃÇ¡£
ÓÐʱ£¬Éß±ÈÈ˼òµ¥¡£
СºÚÉßÊæ·þµÄÃÐ×ÅÑÛ¾¦£¬Ò»±ßÒ§×Å×ìÀïµÄÈ⣬һ±ß¹Û²ì×ÅËý£¬·Ç³£µÄÓÆÏÐ×ÔÔÚ¡£³ÔÍ꣬ËüÓÖÍÂÁËÍÂÐȺìµÄÉßÐÅ×Ó£¬È»ºóÄ¿²»×ªÇçµÄ¿´×ÅËý¡£
Àî¹ûÖªµÀ£¬Õâ¸öС¶«Î÷ÓÖµÈ×Å×Ô¼ºÎ¹ÁË£¬ËýÌôÁËÒ»¿éÈâÒ§ÁËÒ»¿Ú£¬È»ºóµÝµ½ËüµÄ×ì±ß£¬ËÖª£¬Ð¡ºÚÉß¾¹È»´ô´ôµÄ¿´×ÅËý£¬ÓÖ¿´¿´ÃæÇ°µÄÈ⣬²»¶¯¡£
¡°¿ì³Ô¡£¡±Ëý´ß´ÙµÀ£¬ÕâСÉßÓÐ˼άÂ𣿳ԿéÈâÒ²ÒªÏëÄÇô¾Ã£¿Ëý²»½ûÓÐЩÒÉ»ó¡£
СºÚÉßÇé²»×Ô½ûµÄÕÅ¿ªÁËС×ì°Í£¬±»ËýÈû½øÁËÕ´¹ýËý¿ÚË®µÄÈâ¡£
Àî¹û²»ÀíËü³Ô²»³Ô£¬×Ô¼º¾Í´ó¿Ú´ó¿ÚµÄ³ÔÆð·¹À´£¬¶øÐ¡ºÚÉßÒ²¹ÔÇÉÁË£¬ËýιËüʲô£¬Ëü¾Í³Ôʲô¡£
·þËÅ3(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ