ooichse

21+50+15=86/ ^. }6 a9 f8 }! z! J
why 86...
; A& s4 C7 i' A1 ~becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
( D$ {- Q4 u. S7 |3 Ethen he giv bck his fren 505.39.217.77# t$ `. i2 w# D- ^/ ~
and the shoes cost is 155.39.217.770 X" Z2 A* K- `1 i$ e; _
& E+ T, d: ^/ U, }- ~7 b
so total he loss is 86...公仔箱論壇/ i8 i! Y6 m2 z; E6 o$ q" Y* |
tvb now,tvbnow,bttvb4 q  s; `/ N# g' Y1 J, T7 w6 w
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ]