21+50+15=861 K/ P5 f: p6 h& A" T6 k, k
why 86...
) w0 a% P, f0 ~5 F' N' L( `becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21tvb now,tvbnow,bttvb+ {: k, E1 _8 ?0 k8 S
then he giv bck his fren 50# X2 x1 y& Y8 l5 H* g* v1 P
and the shoes cost is 15TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。! S4 u9 z! X- C' G2 b# v: n4 I3 v8 K
9 Q3 A7 E& @6 H' _tvb now,tvbnow,bttvbso total he loss is 86...
: ]7 y1 X$ k! ^# T& a/ Q, M公仔箱論壇
" h' K/ H1 r, f6 F公仔箱論壇[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |