21+50+15=86
9 W& s! T8 l9 |0 Mtvb now,tvbnow,bttvbwhy 86...TVBNOW 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。; b+ {# Z8 d+ a, T
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 215.39.217.762 H, X% V/ f9 L v& V$ v( A$ E1 Y
then he giv bck his fren 50tvb now,tvbnow,bttvb; _9 ?) Y+ e6 p- Q; Z6 o6 a" A* `& I
and the shoes cost is 15
9 K- |- k3 o! ]8 i7 Y5.39.217.764 N; A' D3 @% p
so total he loss is 86...tvb now,tvbnow,bttvb$ H: m( }; Q2 g( O# D' d
$ s+ V- F/ \9 Z0 o[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |