中三數學題
回答 (2)
2007-02-14 3:07 am
✔ 最佳答案
x=(4-(-2))/2=3
y=(5-3)/2
=1
(x,y)=(3,1)
2007-02-13 19:08:07 補充：
x+y=3+1 =4
2007-02-14 3:17 am
x+y=3+1
=4
=4
收錄日期: 2021-04-13 00:35:46
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070213000051KK03040