把下列問題列明步驟算出答案來!!!!!!!!!
1)1/6(x-4)-1/4(2-x)=1/2
2)4/5x-(-x+5)= -(x-3)-2/5(2+2x)
3)(2-x) /3 - (x+1) /5 =1/3
4)0.4-0.6(x-3)=1/3x-3/5(x-7)
收錄日期: 2021-04-23 20:15:33
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070513000051KK01862