1.2x(3x-4)=
2.(9-m)(4m)=
代數(小6---中1)
2007-09-01 11:44 pm
回答 (5)
2007-09-02 12:48 am
1)2x(3x-4)
=6x^2-8x
=3x^2-4x
2).(9-m)(4m)
=36m-4m^2
=-m^2+9m
=6x^2-8x
=3x^2-4x
2).(9-m)(4m)
=36m-4m^2
=-m^2+9m
2007-09-01 11:56 pm
1)6x²-8x
2)36m-4m²
2)36m-4m²
2007-09-01 11:47 pm
1. 6x^2-8x
2.36m-4m^2
2.36m-4m^2
收錄日期: 2021-04-13 17:54:57
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070901000051KK02932