原帖由 wwk6002 於 2007-5-5 22:53 發表。 
. |: K/ C. W A: X. Q請答197的人想清楚!9 V: n" r5 F9 _! ]
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,公仔箱論壇$ f, L/ u( B7 b8 c- T* L/ 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,
' n6 Z; q! Y/ K( M# z" f. K用左一百蚊,剩返21蚊,所以蝕了79蚊,還有貨品(成本1 ... % b! r, N: H8 |9 F G0 o- k3 a% Y
5 H3 _- ^: E- H5 n% i/ W' |: Z |; F, gtvb now,tvbnow,bttvb
1 G) {% u! \" D公仔箱論壇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 |