原帖由 wwk6002 於 2007-5-5 22:53 發表。 
) u1 k* C$ d; V$ e7 x公仔箱論壇請答197的人想清楚!公仔箱論壇8 n* O/ x' f7 H! B* B
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,8 K0 H' X) E, t9 g% n& A ^* S
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,
- Z/ {" W. P3 {' ]公仔箱論壇用左一百蚊,剩返21蚊,所以蝕了79蚊,還有貨品(成本1 ... / k" q0 M1 y$ [) J, P) `tvb now,tvbnow,bttvb1 t; ]# e+ y4 L2 }! ~' K
/ I8 ^0 e9 w4 ~* o- k0 M' @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 |