Simplify
a^(n+4)-a^(3n)
--------------------------
a^(3n+3)-a^(n+7)
Indices Problem
2013-10-04 6:01 pm
回答 (1)
2013-10-04 6:33 pm
✔ 最佳答案
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http://i1096.photobucket.com/albums/g340/pingshek/2013-10-04_zpsaae6320a.png
參考: pingshek
收錄日期: 2021-04-30 18:02:55
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20131004000051KK00024