21+50+15=864 y1 d0 V) z' V+ d+ V
why 86...
' A3 @% o' F$ ~9 Y' r1 j公仔箱論壇becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 215.39.217.77:8898" J: g% H) R, q7 Y' J/ z- v+ ^& j; F
then he giv bck his fren 50% K) g& [" g5 c. n
and the shoes cost is 15# R; u7 e& C% Q7 ]9 n7 y, H4 n
2 U2 |. Z2 W4 G, U0 q( E' u5.39.217.77:8898so total he loss is 86...5.39.217.77:8898 X* s6 K0 R& I$ T+ X* X* ^! v
4 Q, D+ h3 A6 ~) x" V0 n$ s9 i[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |