21+50+15=86
2 Z" [. b9 d) qwhy 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。/ F' |4 X* E$ _- q. s
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
7 \- I3 ?! g) }, G1 g* S4 `8 N公仔箱論壇then he giv bck his fren 505.39.217.767 W7 m a( G4 m5 M. k* t5 Q( C
and the shoes cost is 15tvb now,tvbnow,bttvb/ c; x5 f2 s" A% I' G
公仔箱論壇! d" T3 ~1 h0 E9 j; U
so total he loss is 86...
' H7 p3 t# F! C' F9 P, f# }5.39.217.76
1 S$ [7 s9 k9 s- B; p4 R) M" T7 I6 ~tvb now,tvbnow,bttvb[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |