1) (3g^2)^3 =?!
2) (2H^2K^5)^4=?!
thx~~~~~~~
更新1:
7pq^2 + 6pq^2 =?!
7pq^2 + 6pq^2 =?!
收錄日期: 2021-04-23 20:00:14
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080329000051KK00640