2-t/4-t=2t-3/5
聽日要交功課,,但係唔知點做呀~可唔可以列個步驟
中一未知數問題
2006-11-26 9:56 pm
回答 (2)
2006-11-26 10:01 pm
✔ 最佳答案
2-t/4-t=2t-3/5(2-t/4-t)*4=(2t-3/5)*4
8-t-4t=8t-12/5
(8-t-4t)*5=(8t-12/5)*5
40-5t-20t=40t-12
40+12=40t+20t+5t
52=65t
t=52/65
2006-11-26 14:02:12 補充：
未約簡t=52/65 =4/5
2006-11-27 12:42 am
(2-t)/4 - t = (2t-3)/5
5(2-t) - 20t = 4(2t-3)
10 - 5t - 20t = 8t - 12
33t = 22
t = 2/3
5(2-t) - 20t = 4(2t-3)
10 - 5t - 20t = 8t - 12
33t = 22
t = 2/3
收錄日期: 2021-04-12 23:07:57
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061126000051KK02390