21+50+15=86
& Z8 V' X/ H1 C5 d5 I+ I0 V公仔箱論壇why 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。 z5 J6 y# }1 g, ]/ Z& D
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
4 ?" x0 `1 f7 X" Y, y0 ?) xtvb now,tvbnow,bttvbthen he giv bck his fren 50
# N. M9 j, F) G# Z; Land the shoes cost is 153 Z1 u3 i1 Y1 G. r; L- {& Q
" M2 n' p$ \9 H# ztvb now,tvbnow,bttvbso total he loss is 86...1 o/ X( W# }, a2 p9 q/ g
; I9 }: N1 s( O' E" i, _3 G2 C[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |