原帖由 wwk6002 於 2007-5-5 22:53 發表。 
( b- S; g# U# e請答197的人想清楚!
/ P& U. ~2 l0 V9 I" K9 x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,7 ]2 h* k( P C( r# D
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,% \3 f, Y0 b% ?2 J8 H5 v. i+ j4 B
用左一百蚊,剩返21蚊,所以蝕了79蚊,還有貨品(成本1 ... * Z! u2 i9 g4 F$ H' ^- N* Swww2.tvboxnow.com; y0 I) q6 ~& `5 B0 U
# r+ ^3 ]4 E7 J" [3 k/ Q, i9 itvb 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 |