21+50+15=86
. l; K3 p5 b( K% f公仔箱論壇why 86...公仔箱論壇2 a7 x4 j3 e M1 R# c" g
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
+ h9 ]$ o! E# ?& O9 M# s5.39.217.77:8898then he giv bck his fren 50TVBNOW 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。# M3 ?8 E7 |: `8 V: H2 w% y& B
and the shoes cost is 15tvb now,tvbnow,bttvb& ^ f" e! B( y0 r, _# G
tvb now,tvbnow,bttvb5 S$ o* o7 S- G2 m
so total he loss is 86...tvb now,tvbnow,bttvb; D5 K, ?/ V0 g1 a/ r9 r9 n% V
/ {+ l; e; K2 Y* s$ F# c; ^$ l公仔箱論壇[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |