·µ»Ø
´ø×Å׿·û´©Ô½¶·ÆÆ
Ê×Ò³
¹ØµÆ
»¤ÑÛ
×ÖÌ壺
´ó
ÖÐ
С
ÉϼܸÐÑÔÓ뱬¸ü(1/2)
´æÊéÇ©
Êé¼Ü¹ÜÀí
·µ»ØÄ¿Â¼
ÈçÌ⣬Ã÷ÌìÉÏÎç12µãÉϼܣ¬¶ÁÕßÀÏÒ¯ÃÇ£¬»¹Çë¸øéÙèһ¸öÊ×¶©¡£
ÖÁÓÚÉϼܸüÐÂÂï¡¡ËäÈ»²»¶à£¬µ«Ò²±ÈÉÏÒ»±¾¶àµã£¬Ò»¹²10Õ¡£
ËùÒÔ£¬Ã÷Ìì¾Í°ÝÍи÷λ¶ÁÕßÀÏÒ¯ÁË£¡
ÉϼܸÐÑÔÓ뱬¸ü(1/2),µã»÷ÏÂÒ»Ò³¼ÌÐøÔĶÁ
ÉÏÒ»ÕÂ
Ŀ¼
ÏÂÒ»Ò³