有幾條數POST 係XANGA
1bi 60度
bii -5/2V3 V=開方
c 5/4
2.y=-1/2 x+2
b. (2,1)
c.5兀
3a.4x-3y+25=0
b.50/3
http://ki0123.xanga.com/
MATHS......
2010-07-23 10:36 pm
回答 (1)
2010-07-25 7:42 am
收錄日期: 2021-04-23 20:47:23
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100723000051KK00794