(X-1)/2-(X+1)/3=5 求高手教列式
回答 (2)
2010-08-17 7:54 pm
✔ 最佳答案
(X-1)/2-(X+1)/3=56x[(X-1)/2-(X+1)/3]=5x6
3(X-1)-2(X+1)=30
3X-3-2X-2=30
X-5=30
X-5+5=30+5
X=35
2010-08-17 9:52 pm
(X-1)/2 - (X+1)/3 = 5
X/2 - 1/2 - X/3 - 1/3 = 5
X/2 - X/3 = 5 + 1/2 + 1/3
X/6 = 35/6
X = 35
X/2 - 1/2 - X/3 - 1/3 = 5
X/2 - X/3 = 5 + 1/2 + 1/3
X/6 = 35/6
X = 35
參考: ME
收錄日期: 2021-04-15 17:28:43
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100817000051KK00502