原帖由 wwk6002 於 2007-5-5 22:53 發表。 5.39.217.76+ L# C a- K6 ]& P5 ^) Z2 m
請答197的人想清楚!. ?: M5 y$ B9 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,
7 }, c/ M8 r" S8 a% ntvb now,tvbnow,bttvb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,5.39.217.764 F, J y7 ]+ x+ O$ v/ I5 M
用左一百蚊,剩返21蚊,所以蝕了79蚊,還有貨品(成本1 ... % Z- Y* E; h- R2 s8 e' w b6 E5.39.217.76
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$ N5 D+ a+ O4 _7 L3 a! P5.39.217.76Yes, 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 |