點做? http://imgur.com/i18DHBv?
回答 (1)
2015-11-25 3:51 am
[a+(－2)]/2=0
a=2
(－2+4)/2=1
M(1，0)
a=2
(－2+4)/2=1
M(1，0)
收錄日期: 2021-04-18 14:06:39
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20151124192330AAYis3i