原帖由 wwk6002 於 2007-5-5 22:53 發表。 
- W1 {. i, {# Mtvb now,tvbnow,bttvb請答197的人想清楚!TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。1 `$ O; h# {. B& x4 U
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,5.39.217.76/ L5 i8 b l: u
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,
7 A8 C3 A# m4 K8 Xtvb now,tvbnow,bttvb用左一百蚊,剩返21蚊,所以蝕了79蚊,還有貨品(成本1 ... & P+ ]: P; I* M( `, L, \$ l公仔箱論壇: B) L" s8 G3 k2 M% p
5.39.217.76* M$ ~/ D& E4 q# y; R9 p! J7 H
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 |