- 在線時間
- 227 小時
- 最後登錄
- 24-4-24
- 國民生產力
- 117
- 附加生產力
- 1541
- 貢獻生產力
- 0
- 註冊時間
- 05-11-26
- 閱讀權限
- 10
- 帖子
- 618
- 主題
- 95
- 精華
- 0
- 積分
- 2276
- UID
- 65518
|
The selling price of a shirt
= (200-b^2)(1-2b^2)
The amount he got
=(4+3b)(200-b^2)(1-2b^2)
Expand the expression is the answer.
原帖由 五千萬 於 08-11-16 09:30 PM 發表
The owner of a store set the original price of a brand of shirt at $(200-b的2次方). He offered a $(2b2次方)discount on each
shirt and then sold(4+3b) of them. Express the amount he got in terms of b. ... |
|