21+50+15=867 l6 N! o2 L: ?- K# F! L5 d
why 86...
* i% [9 j$ q2 [becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
, V7 m4 j& }0 y# N1 Jthen he giv bck his fren 50TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。8 g' k5 q5 l) ^) j
and the shoes cost is 15
+ k" X2 A5 u0 S* j# }
{7 @* J; r9 D+ v( Jos.tvboxnow.comso total he loss is 86...公仔箱論壇8 \0 ?+ o; T/ S. x; T& Y
os.tvboxnow.com* ]+ X4 [4 m6 N4 ~
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |