21+50+15=86
- r- F& v7 [/ F0 ~3 J) t0 M公仔箱論壇why 86...
% p! o+ ]) G8 G& c' Mbecos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
+ s. ~- q6 A0 t2 _# {: F公仔箱論壇then he giv bck his fren 50! U& T, y+ c7 f! d- {/ Y
and the shoes cost is 15tvb now,tvbnow,bttvb& A3 e, u* A! G
5.39.217.76! L- q: D2 A' r, f7 K2 I9 i9 Q
so total he loss is 86...% \- e- k8 v, \9 y
/ X6 h: `6 v$ a' Q5 B5.39.217.76[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |