(ËÄ)¶Ô±È¹ý³ÌÖеĵØÖÊÇé¿ö·ÖÎö
µØ²ã°þÊ´
×êÓö²»ÕûºÏÃæ¸÷¾®µÄµØ²ã²ãÐò
1
2
3
4
1¾®2¾®3¾®4¾®
EÔÙ³Á»ý£Å£Ä£Ã£Â£Á
£ÅC£Â£Á
£ÅB£Á
£ÅC£Â£Á
D°þÊ´CBA×¢Ò⣺
1¡¢µØ²ã°þÊ´³Ì¶È¿ÉÄܸ÷µØ²»Ò»2¡¢°þÊ´ÃæÉϳÁ»ýͬһµØ²ã
(ËÄ)¶Ô±È¹ý³ÌÖеĵØÖÊÇé¿ö·ÖÎö
£¨2£©µØ²ã¼âÃðµÄ´¦Àí
¢Ù¾Ñé·¨£¨1/2·¨£©
123
H1H21/2L