m 3m 2
(4 X 2 )
10m
答案2
上面既字係次方
姐係
(4既m次方乘2既3m次方)2次方
又一題計極都唔識既數學.....
2009-09-15 2:16 am
回答 (2)
2009-09-15 2:24 am
✔ 最佳答案
(4m x 23m)2= [(22)m x 23m]2
= (22m x 23m)2
= (22m+3m)2
= (25m)2
= 25m*2
= 210m
2009-09-14 18:48:11 補充：
係
(2^5m)^2
= (2^5m) x (2^5m)
= 2^(5m + 5m)
= 2^(5m x 2)
2009-09-15 2:26 am
(4^m X 2^3m)^2
= (2^2m X 2^3m)^2
= (2^5m)^2
=2^10m
= (2^2m X 2^3m)^2
= (2^5m)^2
=2^10m
收錄日期: 2021-04-15 15:21:28
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090914000051KK00925