ChaseDream

标题: Prep2 DS [打印本页]

---

作者: CherrieLi    时间: 2007-12-9 21:14
标题: Prep2 DS

請見附檔

 

請問A為什麼不對呢?

假設 processing cost+shipping cost =A

Monday: 1本XA

Wednesday:3本:A+1

Ax3=A+1,  A=0.5,  全部15本, 總共 7.5元

[attach]62520[/attach]

 

---

欢迎光临 ChaseDream (https://forum.chasedream.com/)

Powered by Discuz! X3.3