21+50+15=86
! J! Z6 K" ^% s3 m. O/ hwhy 86..., }; `: v6 [. c! ] C
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21tvb now,tvbnow,bttvb* o7 v; p# x9 h2 C* o/ b+ G
then he giv bck his fren 505.39.217.763 Z. X6 u% d0 A9 F, U/ }
and the shoes cost is 15
4 Y$ |8 j9 ]- U6 j& t" g
7 G% G" {/ `) f& w' E! [+ \2 }. h9 A: f% D公仔箱論壇so total he loss is 86...
: ^" ?! e# b0 N8 s' ~+ s3 h
2 n# o9 ?3 F1 ^/ T* ?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。[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |