·µ»Ø

Íò¹ÅÉñµÛ£¨Íò¹ÅÉñµÛÕÅÈô³¾£©

Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
µÚÈýǧ°Ë°Ù¶þʮһÕ °ë׿֮¾³(1/2)
   ´æÊéÇ© Êé¼Ü¹ÜÀí ·µ»ØÄ¿Â¼
ÖÜΧÐǿգ¬½Ô·¢ÉúŤÇúºÍÕðµ´¼£Ïó¡£

    ¹â×ÔÈ»²»¿ÉÄÜÕâô¿ì´«µÝ¹ýÀ´£¬ÕâÒ»ÇУ¬½ÔÊÇÕÅÈô³¾µÄÉñ»ê£¬¿çÔ½ÁËʱ¿Õ£¬·´À¡¸øË«Ä¿¡£
µÚÈýǧ°Ë°Ù¶þʮһÕ °ë׿֮¾³(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»Õ Ŀ¼ ÏÂÒ»Ò³