原帖由 wwk6002 於 2007-5-5 22:53 發表。 2 a* C+ o$ Z0 b$ c1 [) a* i
請答197的人想清楚!tvb now,tvbnow,bttvb% l& w& V) j+ g
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,& M+ q9 W: ?8 b. {7 z- Q/ {: G, _& ~
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,bttvb& p* |( ^5 I1 M
用左一百蚊,剩返21蚊,所以蝕了79蚊,還有貨品(成本1 ... # _# _2 d! w0 H& @+ K& W
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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 |