更新1:
Is ax + by +c=0,where a,b and c are real numbers,a linear equation in two variables? give reason.?
Is ax + by +c=0,where a,b and c are real numbers,a linear equation in two variables? give reason.?
收錄日期: 2021-04-21 14:40:56
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20151020033454AAnSs2S