·µ»Ø

ƯÁ÷½ÌÊÒ

Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
µÚÒ»°ÙÆßÊ®ÁùÕ ²»Òª´ó¼ÒËÀ£¡(1/2)
   ´æÊéÇ© Êé¼Ü¹ÜÀí ·µ»ØÄ¿Â¼
ÈÈÃÅÍÆ¼ö:¡¢ ¡¢ ¡¢ ¡¢ ¡¢ ¡¢ ¡¢

µÚÒ»°ÙÆßÊ®ÁùÕ ²»Òª´ó¼ÒËÀ£¡(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»Õ Ŀ¼ ÏÂÒ»Ò³