21+50+15=864 @& L2 {+ v9 p0 Q" l2 `, H+ P
why 86...公仔箱論壇+ |- {3 W. _% P, y; C2 m
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21TVBNOW 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。 G$ C" w! P7 S& t: @* E3 n( \# [
then he giv bck his fren 50" F4 c9 q) D/ W6 }: U& v; }% C
and the shoes cost is 15公仔箱論壇& D& @& M& S8 q/ [* m, E
+ V8 S5 I5 D$ q& X( eos.tvboxnow.comso total he loss is 86...公仔箱論壇0 ] K0 V! {8 X. Y* J; V
% O$ c! B J4 Y( Dtvb now,tvbnow,bttvb[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |