原帖由 wwk6002 於 2007-5-5 22:53 發表。 
$ C; c3 U- B/ b* Atvb now,tvbnow,bttvb請答197的人想清楚!7 | u8 F$ n! M' A$ F
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,6 K* N7 S* H! r0 ~
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,os.tvboxnow.com ]& Y7 Z9 s, Z8 R
用左一百蚊,剩返21蚊,所以蝕了79蚊,還有貨品(成本1 ... ; i4 Y+ h4 s. h0 L. M
os.tvboxnow.com& C. }( u& t, v: R
& W5 X/ _" J* G' ]8 @$ g0 `4 Otvb now,tvbnow,bttvbYes, 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 |