有題maths唔係好識
(9-m)(4m)
唔該help help我啦！！！
Maths唔識
2007-07-30 10:02 pm
回答 (3)
2007-07-30 10:05 pm
✔ 最佳答案
(9-m)(4m)= 36m - 4m^2
2007-07-30 14:06:14 補充：
36m - 4m^2=4m (9 - m)
2007-07-30 10:51 pm
(9-m)(4m)
=36m-4m^2
=4m(9-m)
=36m-4m^2
=4m(9-m)
2007-07-30 10:40 pm
(9-m)(4m)
=9x4m-mx4m
=36m-4m的2次方
=4m(9-m)
=9x4m-mx4m
=36m-4m的2次方
=4m(9-m)
收錄日期: 2021-04-19 21:52:02
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070730000051KK02312