21+50+15=86
9 o7 D% I) ]& {$ K$ N: F) `/ kwhy 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。4 b2 V& `7 l& \
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21tvb now,tvbnow,bttvb4 s) }! `% k$ t0 q! r, e$ u% z
then he giv bck his fren 502 o) f. h6 [% U M, d
and the shoes cost is 15公仔箱論壇% Y# ~1 x2 J; b. H7 n
; x9 p* m! m+ G1 k8 s: S3 w
so total he loss is 86...
+ A8 k6 e+ R+ D9 x5.39.217.765.39.217.76# {5 R8 ^% E$ l; \- r" j* r
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |