·µ»Ø
ÍøÓÎÖ®Èý¹úÎÞË«
Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
µÚ¶þ°Ù¶þÊ®ÈýÕÂ:ÂÀ²¼µÄʦ¸µ(1/2)
´æÊéÇ©
Êé¼Ü¹ÜÀí
·µ»ØÄ¿Â¼
vipÕ½ڶþ°ÙÕµ½Èý°ÙÕÂÁ´½Ó£º
qqÊé³ÇµÄÁ´½Ó£º
Ö÷Õ¾Á´½Ó£º
ÓÃÊÖ»úµÇ½µÄÅèÓÑ¿ÉÒÔÖ±½ÓµãÕâÀï´´ÊÀ3g£º
µÚ¶þ°Ù¶þÊ®ÈýÕÂ:ÂÀ²¼µÄʦ¸µ(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»ÕÂ
Ŀ¼
ÏÂÒ»Ò³