求這題的化簡過程。?
回答 (1)
2016-10-13 10:27 am
✔ 最佳答案
SolW[R/(W+R)]^2*Q+R*[W/(W+R)]^2*Q
=WR^2/(W+R)^2*Q+RW^2/(W+R)^2*Q
=WRQ/(W+R)^2*(R+W)
=WRQ/(W+R)
=[WR/(W+R)*Q
收錄日期: 2021-04-30 21:55:37
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20161013013919AABqggi