a(x+y)
=ax+ay
係咪展開來????
展開...
2007-01-05 2:00 am
回答 (2)
2007-01-05 2:03 am
✔ 最佳答案
you are right...expand
收錄日期: 2021-04-12 15:54:33
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070104000051KK02666