3) 3=0.5x+x
4) -2y-13=3y+2
5) 7+8f=5f+34
6) 4(h+3)-2+h=8h+2
9) 5[2(x+1)+x]=11x-2
收錄日期: 2021-04-12 17:45:19
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061128000051KK04372