·µ»Ø

ÊÀ¼ÍµÛ¹ú

Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
µÚÈýÊ®ÈýÕ Ϊʲô(1/2)
   ´æÊéÇ© Êé¼Ü¹ÜÀí ·µ»ØÄ¿Â¼
µÚÈýÊ®ÈýÕ  Îª¸£Àû ¡±xinwu¡± Î¢Ðźţ¬¿´¸ü¶àºÃ¿´µÄ£¡
µÚÈýÊ®ÈýÕ Ϊʲô(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»Õ Ŀ¼ ÏÂÒ»Ò³