21+50+15=86: W6 p! B, n* c8 Q& [) Z2 G
why 86...
( Y. I+ I a- Utvb now,tvbnow,bttvbbecos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
+ |' l4 T. _% \- Fthen he giv bck his fren 505.39.217.761 Z8 u" Q' P4 f1 @* A+ w, E( ?
and the shoes cost is 15公仔箱論壇3 J% x7 b/ U$ C
* Z9 B/ L8 @# ?5 L+ H* A' x8 }# \TVBNOW 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。so total he loss is 86...9 r& @+ i" @, e' C- u
5 v, K Z* V, @. a& o5.39.217.76[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |