1. (-3^2)^3
2. 9f^n - f^n
F.3指數定律
2007-09-12 1:46 am
回答 (3)
2007-09-12 1:52 am
✔ 最佳答案
1. ...7292.....8f^n
2007-09-12 1:51 am
1. (-3^2)^3
=[-(3x3)]^3
=(-9)^3
=(-9)(-9)(-9)
= -729
2. 9f^n - f^n
=8f^n
其實姐係當 f^n 係 x
咁咪 9x - x 姐係 8x
=[-(3x3)]^3
=(-9)^3
=(-9)(-9)(-9)
= -729
2. 9f^n - f^n
=8f^n
其實姐係當 f^n 係 x
咁咪 9x - x 姐係 8x
收錄日期: 2021-04-13 13:25:34
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070911000051KK02269