1.(-7)(1.5)分之(1.5)(6)
2.(-8)x(-6)x(-2)分之(-4)x(-3)
化簡
3.6p+3-2p+5
4.12a-3b-11a-4b+7a
要有過程
收錄日期: 2021-04-12 20:04:37
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070702000051KK00235