怎樣把有理數0.0901901901901......化為分數??
(請詳細說明計算過程)
緊急數學問題!!!(10分)
2008-04-21 1:07 am
回答 (1)
2008-04-21 1:42 am
✔ 最佳答案
let n = 0.0901901901.....1000n = 90.1901901901.....
- n = 0.0901901901.....
_____________________________
999n = 90.1
9990n = 901
n = 901/9990
參考: my own calculation
收錄日期: 2021-04-15 14:38:27
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080420000051KK02193