1. (x三次方-3x+x二次方-8)÷(z-2)
2. (3x三次方-4x-5x二次方+3)÷(x二次方-x+5)
收錄日期: 2021-04-23 20:45:35
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110518000051KK01102