原帖由 wwk6002 於 2007-5-5 22:53 發表。 
. X; _# p& M/ o. N+ q$ m9 Z3 C. k# ktvb now,tvbnow,bttvb請答197的人想清楚!tvb now,tvbnow,bttvb/ B( o- o9 s' E0 z$ O+ z: i
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 W3 M& R% `/ @; N, ]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,bttvb3 B' M6 T& }$ f. v, h; S5 s) ~
用左一百蚊,剩返21蚊,所以蝕了79蚊,還有貨品(成本1 ... * F& x/ r: s7 j+ f- l& U$ e' l+ V' I
公仔箱論壇' f' L2 Z7 N* A0 o+ |
tvb now,tvbnow,bttvb' M4 J8 W7 g1 Y3 H, H$ v2 n# ]# `
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 |