21+50+15=86
2 T( n0 N# q+ @2 Ywhy 86...tvb now,tvbnow,bttvb2 I/ u1 E/ i( z+ X1 m0 F
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
0 c: v, k/ z1 Q8 [8 N% ^公仔箱論壇then he giv bck his fren 50
% Z( c, _5 l0 W" d; b X& HTVBNOW 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。and the shoes cost is 15
3 j/ ]3 y' \, ntvb now,tvbnow,bttvb* j5 i" J" p8 ~$ }
so total he loss is 86...公仔箱論壇: r' z9 d1 b8 \6 r* A
2 F# [0 M/ y) x5 d7 O- O5.39.217.76[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |