21+50+15=863 e. n7 v# B9 k3 `
why 86...3 H+ A& ^* U" j% S0 G# Y
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
_5 r% b9 h# w, a2 NTVBNOW 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。then he giv bck his fren 50
; q& z$ y% i0 m" v2 ^$ k; P7 Sand the shoes cost is 15tvb now,tvbnow,bttvb7 k3 H; a9 y. I9 {( U: r; c
3 O g- B9 ]/ [) N5 a公仔箱論壇so total he loss is 86...tvb now,tvbnow,bttvb& p7 y3 J; r4 A; `( M* y- ]/ M
8 W1 u& j9 ? L# W: }9 I公仔箱論壇[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |