2^(n+3)-5(2^n)/5(2^n+1)
答案係3/10 但我計唔到,請詳細回答。
F.3數學指數 2條
2009-07-16 11:37 pm
回答 (2)
2009-07-17 5:21 am
✔ 最佳答案
2^(n+3) - 5(2^n) / 5(2^n+1)= 2^n ( 2^3 - 5) / 5(2^n)(2^1)
= 2^n (3) / 2^n (10)
= 3 / 10
If you have any questions about the above question, welcome to ask me. =)
2009-07-17 12:46 am
收錄日期: 2021-04-23 20:46:48
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090716000051KK01165