1.) x^2+7x+10=
2.) x^2-6x-8=
3.)5(2a+2b)=
4.)甚麽是函数?
收錄日期: 2021-04-19 00:17:04
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080113000051KK01053