easy math Q

2013-10-03 5:47 am
---3
a x 2a

*******

----------3
8d x e


*******

3r x 6r x 2r


*******

----2
6y * y * 8


*******
--3
n x 6n x 5n


*******
----3
(2t)


*******

-----3
(3r) x 6r


******
-----3----------3
12k x 8k



*******

--2---5----------3--2
x y * x y


******

----2----------3
2m n * 3m *2n




*******



-----3-----------2-------3
10p q * 2p q * 5p
更新1:

Simplify the following !!! Thx~

更新2:

Yes, 是次方 Please help me ! ! !

更新3:

The last one is 10p³q*2p²q*5p³

更新4:

Thank you !!! Thank you !!! Thank you !!! Thank you !!! Thank you !!! Thank you !!! Thank you !!! Thank you !!! Thank you !!! Thank you !!!

回答 (1)

2013-10-03 6:10 am
✔ 最佳答案
Pag,如果是次方,下次請標記清楚~

x * x = x² = x^2

x * x * x = x³ = x^3

2013-10-02 22:10:08 補充:
首先你要看清楚我以下做的題目是否跟你題目問的一樣。

a³ * 2a = 2a⁴

8d * e³ = 8de³

3r x 6r x 2r = (3*6*2)*(r*r*r) = 36r³

6y² * y * 8 = 48y³

n³ x 6n x 5n = 30n⁵

(2t)³ = (2t)*(2t)*(2t) = (2*2*2)*(t*t*t) = 8t³

(3r)³*6r = (3r)*(3r)*(3r)*(6r) = (3*3*3*6)*(r*r*r*r) = 162r⁴

12k³*8k³ = 96k⁶

x²y⁵ * x³y² = x⁵y⁷

2m²n*3m³*2n = (2*3*2)*(m²*m³)*(n*n) = 12m⁵n²

10p³q*2pq²*5p³ = (10*2*5)*(p³*p*p³)*(q*q²) = 100p⁷q³

2013-10-02 23:12:02 補充:
好~
那麼:

   10p³q*2p²q*5p³

 = (10*2*5)*(p³*p²*p³)*(q*q)

 = (100)*(p⁸)*(q²)

 = 100 p⁸ q²


收錄日期: 2021-04-23 23:35:48
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20131002000051KK00213

檢視 Wayback Machine 備份