中三TSA數學!!急~
回答 (5)
2010-05-02 2:51 am
✔ 最佳答案
2x(-3xy)= 2(-3)(x)(x)(y)
= -6(x^2)(y)
2010-05-05 11:53 pm
2010-05-02 7:13 am
2x(-3xy)
=-6x^2y
=-6x^2y
2010-05-02 3:03 am
2X(-3XY)
-6x^2y
-6x^2y
2010-05-02 2:51 am
a)2x(-3xy)
=-6x²y
=-6x²y
收錄日期: 2021-04-23 20:44:33
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100501000051KK01439