分配率(求解)7:00前要給20點

2014-06-19 2:13 am
(1)3(#+1)
(2)4(#+6)
1
(3)-------(#+10)
2
(4)2(#+6)(#+1)
(5)3(#+3)(#-6)
(6)(#-1)(#+8)
(7)(4#+1)(3#-2)
(8)(3#-1)(5#-3)
(9)(3#-4)(2#+2)
(10)(#+7)(3#-8)
括號和刮號中間是乘法
請給我計算過程:)感恩
第二題是2分之1

回答 (3)

2014-06-19 4:10 am
✔ 最佳答案
(1)

3(#+1)=3#+3

(2)

4(#+6)=4#+24

(3)

1/2(#+10)=1/2#+5

(4)

2(#+6)(#+1)=2#²+14#+12

(5)

3(#+3)(#-6)=3#²-9#-54

(6)

(#-1)(#+8)= #²+7#-8

(7)

(4#+1)(3#-2)=12#²-5#-2

(8)

(3#-1)(5#-3)=15#²-14#+3

(9)

(3#-4)(2#+2)=6#²-2#-8

(10)

(#+7)(3#-8)=3#²+13#-56


2014-06-22 11:36 pm
到下面的網址看看吧

▶▶http://candy5660601.pixnet.net/blog
2014-06-21 8:31 am
到下面的網址看看吧

▶▶http://candy5660601.pixnet.net/blog


收錄日期: 2021-04-21 17:28:46
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20140618000015KK05212

檢視 Wayback Machine 備份