1) (m-0.9)x5=1
m=______
小六方程式一題
2008-02-13 3:13 am
回答 (17)
2008-02-13 3:19 am
✔ 最佳答案
(m-0.9)x5=1=> (m-0.9) x 5 / 5 = 1/5 ... 兩邊各除以 5
=> m - 0.9 = 1/5
=> m - 0.9 + 0.9 = 1/5 + 0.9 ... 兩邊各加 0.9
=> m = 1/5 + 0.9
=> m = 0.2 + 0.9 = 1.1
OR => m = 1/5 + 9/10 = 11/10
2008-02-13 6:26 pm
m=1.1
2008-02-13 3:47 am
m=1.1 so easy
2008-02-13 3:36 am
m=1.1
2008-02-13 3:19 am
m=0.95
2008-02-13 3:18 am
m=1.1
2008-02-13 3:17 am
(m-0.9)x5/5=1/5=0.2
m-0.9+0.9=0.2+0.9
m=1.1=1又10分之1
m-0.9+0.9=0.2+0.9
m=1.1=1又10分之1
收錄日期: 2021-04-13 16:09:20
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080212000051KK03504