原帖由 wwk6002 於 2007-5-5 22:53 發表。 
- j* n& u. ?) L( p% d7 G) Otvb now,tvbnow,bttvb請答197的人想清楚!
( M1 h7 y& v0 a/ b6 itvb now,tvbnow,bttvb老闆用假的一百蚊(之後還返張真的一百蚊),換了真的一百蚊零錢,
& L- q, F; ~4 a" R) o$ Y% H: z7 k! U5.39.217.76即係話只係用左一百蚊,就換黎真的一百蚊零錢,然後比左其中79蚊比買野條友,佢自己仲有21蚊,tvb now,tvbnow,bttvb6 `7 o& h' g2 M% B
用左一百蚊,剩返21蚊,所以蝕了79蚊,還有貨品(成本1 ... ; v' D9 \8 u% h; l! k' j+ ptvb now,tvbnow,bttvb( u% D' C5 O! o
5.39.217.76% |; v7 n+ y9 ?( ^; {
Yes, your answer is correct, but is only the 1st part, u forgot he paid back another $100 to his neighbor, that is another $100, not related to the first $100, you really have to 想清楚 |