原帖由 wwk6002 於 2007-5-5 22:53 發表。 
* ], z: j4 j$ j* C( \0 V請答197的人想清楚!公仔箱論壇- r9 B# M- W2 ]) ?/ M9 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,5 O% z8 i0 M) D9 b9 m
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,公仔箱論壇$ g1 A, r1 n1 m/ |! H, L6 }
用左一百蚊,剩返21蚊,所以蝕了79蚊,還有貨品(成本1 ... tvb now,tvbnow,bttvb3 |. Q! P R. p w1 S0 ]# A1 w, G/ n
6 j' r# Q% p, i* Z
& U0 { l) U# h9 ^8 e ]# E% XYes, 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 |