數學問題(eng)

2012-02-19 2:15 am
求step!!!
(2·5)2次方+25n次方/5n次方=?????

回答 (2)

2012-02-19 5:44 am
✔ 最佳答案
(2*5)^2+25^n/5^n
= (2*5)^2 + (5)^2n / 5^n
= 100 + 5^n
參考: Hope the solution can help you^^”
2012-02-22 6:26 am
2.5^2+25^n/5^n
=6.25+5^2n/5^n
=6.25+5^2
=6.25+25
=31.25






2012-02-21 22:33:09 補充:
2*5^2+25^n/5^n (如果係乘的話)
=100+5^2n/5^n
=100+5^2
=100+25
=125


收錄日期: 2021-04-20 22:16:49
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120218000051KK02302

檢視 Wayback Machine 備份