有兩條數POST左係XANGA
1a 2x+y-18=0
bi y=1/3 x +4
bii (6,6)
2bi P(-1,2) Q(0,5/2)
ii (-2,4)
C.3:5
http://www.3-study.com/redirect.php?url=http://ki0123.xanga.com/
maths......
2010-07-23 6:26 am
回答 (1)
2010-07-23 7:17 am
收錄日期: 2021-04-23 20:42:24
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100722000051KK01797