我想問
0.75x/(4-x)+0.25x=1.5
點計...要有步驟!!
佢計完個答案係 3.2 !!
F.1的數...好趕...好易
2008-02-17 4:01 am
回答 (1)
2008-02-17 4:32 am
✔ 最佳答案
0.75x / [4 -0.75x] = 1.50.75x = 1.5(4) - (1.5)0.75x
1.875x = 6
x =3.2
收錄日期: 2021-04-13 15:09:23
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080216000051KK03916