數學!!!!!!!!!!! help
回答 (1)
2008-01-27 11:24 pm
✔ 最佳答案
log(x²-y²)==log[(x-y)(x+y)]
=log(x-y)+log(x+y)
收錄日期: 2021-04-25 17:18:19
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080127000051KK01855