要步驟..
更新1:
.答案係=12^n .. 可唔可以做埋=12^n 係咪出黎..
數學題[要步驟]
回答 (2)
2008-01-11 12:12 pm
✔ 最佳答案
[2^2n * 9^n ] / 3^n= [(2^2)^n * 9^n] / 3^n
= (4^n * 9^n) / 3^n
= [(4*9)^n] / 3^n
= 36^n / 3^n
= (36/3)^n
= 12^n
參考: 自己
收錄日期: 2021-05-01 15:59:29
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080109000051KK03119