中三TSA數學!!急~

[匿名]

2010-05-02 2:46 am

a) 展開 2x(-3xy)

回答 (5)

Mosquitopang

2010-05-02 2:51 am

✔ 最佳答案

2x(-3xy)
= 2(-3)(x)(x)(y)
= -6(x^2)(y)

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kawai

2010-05-05 11:53 pm

這裏可以幫到你
http://actioni.w7.c361.net/yahoo.com.hk/hk/auction/178987536

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魔龍帝齊格益力多

2010-05-02 7:13 am

2x(-3xy)
=-6x^2y

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terry

2010-05-02 3:03 am

2X(-3XY)
-6x^2y

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用戶7639

2010-05-02 2:51 am

a)2x(-3xy)
=-6x²y

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收錄日期: 2021-04-23 20:44:33
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