0.1228070175438596......(即 7/51)係唔係無窮不循環小數??
0.1228070175438596......係無窮不循環小數的話佢可以寫成a/b 咁係唔係rational no.
更新1:
7/89 is 循環小數??where is the 循環節?? 是否所有分數轉小都只會是循環小數or 整數??
Rational No. 問題
2006-11-02 6:41 am
無窮不循環小數是否一定不是rational number??
0.1228070175438596......(即 7/51)係唔係無窮不循環小數??
0.1228070175438596......係無窮不循環小數的話佢可以寫成a/b 咁係唔係rational no.
0.1228070175438596......(即 7/51)係唔係無窮不循環小數??
0.1228070175438596......係無窮不循環小數的話佢可以寫成a/b 咁係唔係rational no.
回答 (2)
2006-11-02 6:57 am
✔ 最佳答案
無窮不循環小數一定不是rational number0.1228070175438596.. ....(即 7/57)係唔係無窮不循環小數??
不是
7/57=0.1228070175438596491228070175438596491228
是循環小數﹐循環節122807017543859649
收錄日期: 2021-04-22 00:13:53
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061101000051KK04881