http://www.flickr.com/photos/45632549@N03/5319437943/sizes/l/in/photostream/
THZ
中二數學..THZ
2011-01-04 5:23 am
回答 (1)
2011-01-04 5:36 am
✔ 最佳答案
7.s=ut+(1/2)at^2
(1/2)at^2=s-ut
a=2(s-ut)/t^2
8.
s+v=u(u+v)
s+v=u^2+uv
uv-v=s-u^2
(u-1)v=s-u^2
v=(s-u^2)/(u-1)
9.
y=(p+2)/(p-3)+1
y-1=(p+2)/(p-3)
p+2=(p-3)(y-1)
p+2=py-p-3y+3
3y-1=py-2p
3y-1=p(y-2)
p=(3y-1)/(y-2)
收錄日期: 2021-04-22 00:52:38
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110103000051KK01299