俾埋條式ar!!唔該晒
1. 2x=3(1-x)-(x-1)
2. 28y=2[16-4(1-y)]
3. (2n-5)÷3=(n-10)÷9
收錄日期: 2021-04-25 18:38:23
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070221000051KK03030