原帖由 wwk6002 於 2007-5-5 22:53 發表。 公仔箱論壇9 B+ M9 x, R) M' ~1 `! C. w" l
請答197的人想清楚!tvb now,tvbnow,bttvb# y4 m! B' n7 \+ w
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,
+ [) s- |3 I( W, W0 F; ?- q T1 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,, F t8 X, v, p! ^! p! l
用左一百蚊,剩返21蚊,所以蝕了79蚊,還有貨品(成本1 ... 0 W' G6 j& J3 {& Dwww1.tvboxnow.com( G6 U! R5 X9 ^4 l {. Z
www1.tvboxnow.com/ m$ r q; p( [. f" R( [* J
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 |