21+50+15=86
" v! K: t+ B( e* A- N5.39.217.76why 86...7 f, f1 f4 w+ r2 S b
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21TVBNOW 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。8 @9 J: j( w: X
then he giv bck his fren 505.39.217.76/ y n$ M; G: K5 J5 S
and the shoes cost is 15
5 W2 N2 g' ?1 v% I( q0 A5.39.217.76
m l: h5 Q' F5 k {) Uso total he loss is 86...5.39.217.764 D2 @: Q# a# u5 `5 S
tvb now,tvbnow,bttvb8 N. D+ O6 }: Z# e7 q& ^8 w$ s
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |