21+50+15=86
& b( I3 e4 @) X; ttvb now,tvbnow,bttvbwhy 86...5.39.217.771 v7 `" w0 G9 B
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
1 i) t; u/ w) r- ?公仔箱論壇then he giv bck his fren 50tvb now,tvbnow,bttvb1 @% ] J: {7 l! z: O& |
and the shoes cost is 155.39.217.777 {. n& T) u2 ]% r* k: _/ }. x
5.39.217.776 N* o0 x; Z9 q7 U/ _( Q6 y
so total he loss is 86...
- V$ A/ o9 P) }1 Q+ k) q6 _5.39.217.77
" Q1 l: x" o% {; q% K! k$ [! d2 W" x公仔箱論壇[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |