條題目係:
2^n+1
－－－
2^n-1 (2^n+1=2的n+1次方，－－－ =分線)
求F.3 Maths題o既步驟+答案!!!
2007-08-21 1:30 am
回答 (2)
2007-08-21 1:36 am
✔ 最佳答案
2^n+1－－－
2^n-1
=2^n+1-(n-1) － 指數法則
=2^2
=4
2007-08-21 1:42 am
As I remember......
2^n+1
---------
2^n-1
= 2^n * 2
--------------
2^n * 2^( -1)
= 2
--------
2^(-1)
=4
2^n+1
---------
2^n-1
= 2^n * 2
--------------
2^n * 2^( -1)
= 2
--------
2^(-1)
=4
參考: me.......
收錄日期: 2021-04-13 15:55:49
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070820000051KK03809