21+50+15=86TVBNOW 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。3 O8 j! _2 o m: L
why 86...公仔箱論壇+ m h. B: d4 U3 ?
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21公仔箱論壇' F& O2 p: N. _. G
then he giv bck his fren 50' Z+ T) D/ [5 {
and the shoes cost is 15tvb now,tvbnow,bttvb! M1 S- x; H) b5 h( Z( T
公仔箱論壇4 T' M6 W- P: ?% k$ z0 f
so total he loss is 86...5.39.217.765 n# E7 w) M1 d
; T J- \- u: ?3 s
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ]