唔識計.....heple
回答 (1)
2007-12-10 1:44 am
✔ 最佳答案
[2x²*y] ³/4xy² =2 ³(x²)³y³/4xy²
=8x6y³/4xy²
=2x5y
收錄日期: 2021-04-24 07:55:27
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071209000051KK02444