教我幾題呀
(x^2 y)(x^3 y^4)
(-2p^3 q^3)(p^2 q)
收錄日期: 2021-04-13 14:36:22
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071128000051KK04057