21+50+15=86
+ }3 Q! y2 F/ E. V3 N% Itvb now,tvbnow,bttvbwhy 86...公仔箱論壇: s9 U1 n+ p$ n: e! a$ I
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
" U2 w6 ?" [8 {; y. ~www3.tvboxnow.comthen he giv bck his fren 50公仔箱論壇* D5 B" _/ t6 s. |
and the shoes cost is 15' p3 R: N) f& N$ ~# e
- }( r }; m2 |. gso total he loss is 86...+ M/ y; S. l8 j/ p; h1 Q! J6 T
公仔箱論壇& I1 w R' V$ @$ U2 h& |- |
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |