21+50+15=863 P& H+ c, _) r! T% ?! J
why 86...
$ U. y" X# b1 Y% `- k. J9 {* d& tTVBNOW 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。becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21tvb now,tvbnow,bttvb7 L9 L7 t! k9 l
then he giv bck his fren 50
6 Z5 R% q0 q# g5 V- p; k5.39.217.77:8898and the shoes cost is 15, g$ g; J% v$ z# x9 I
) m0 L; Z( X/ v$ stvb now,tvbnow,bttvbso total he loss is 86...
; A" i( F# x6 ?& C2 q6 F2 u# a- L4 w6 y0 H6 ?! y% |4 V
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |