21+50+15=865.39.217.76" ?5 O, O2 c5 P, L% M4 W
why 86...
! I6 }9 O' z L/ X公仔箱論壇becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
# M" w- q" [: t: R- {$ V2 Z3 @then he giv bck his fren 50
9 q0 S0 G0 \. p, T- sTVBNOW 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。and the shoes cost is 15
. ]& O8 w* J* n! K8 K% j5.39.217.76( ~+ k8 t' B3 @: c: x5 G
so total he loss is 86...
* l/ B. @# s6 aTVBNOW 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。% ]1 Z1 ~4 Q2 Y
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |