/x+3y+7/-/x+7 y+19/=0?
回答 (2)
2018-08-13 10:59 pm
/x+3y+7/=/x+7 y+19/
(x+3y+7)^2=(x+7 y+19)^2 ???????????
(x+3y+7)^2=(x+7 y+19)^2 ???????????
2018-08-11 3:16 pm
/x+3y+7/=/x+7 y+19/
x+3y+7=x+7 y+19...............(1)
y=-3,x=任何數
x+3y+7=-(x+7 y+19).............(2)
x+5y+13=0
x+3y+7=x+7 y+19...............(1)
y=-3,x=任何數
x+3y+7=-(x+7 y+19).............(2)
x+5y+13=0
收錄日期: 2021-04-18 18:07:09
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20180811070034AAIOlqu