21+50+15=86
, [1 C! e2 z( Q9 D1 [, R. Otvb now,tvbnow,bttvbwhy 86...
4 [6 @$ i# I2 y% n( |/ M# Y: Z5.39.217.77:8898becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
, }2 }2 W, B; X9 Othen 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。" q) k+ W) P$ `# i6 B R5 q _
and the shoes cost is 15# Q/ U7 i1 B! R/ {+ U3 _
7 y% q- ~) f; pso total he loss is 86...
! D( D y1 i1 o/ @, E& o1 @tvb now,tvbnow,bttvb# T* e: y) P- j7 A+ L
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |