21+50+15=86
2 h/ f# V# ^0 a5.39.217.76why 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。: {: k$ J6 E8 x+ i: W0 W, n* i
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
0 V, g( d$ ~2 [# T& A8 b3 M5.39.217.76then he giv bck his fren 50
3 k6 b. S2 i3 a) i2 M/ Utvb now,tvbnow,bttvband the shoes cost is 156 @9 m7 m* i; M( K; y7 @8 a! I9 g; V
tvb now,tvbnow,bttvb+ s1 l& q1 y! m! f( b8 I
so total he loss is 86...
1 Q* q# R) m" n, y+ q$ f1 Wtvb now,tvbnow,bttvb公仔箱論壇- ?8 |! p8 R8 c, d# X
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |