21+50+15=86
% S4 {2 ]% f6 ^4 A7 b9 n2 B1 A. r! }. pwww.tvboxnow.comwhy 86...& x' L; i. I# {$ x& d$ {7 u2 i
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。) @# l6 L4 S( p9 k
then he giv bck his fren 50tvb now,tvbnow,bttvb7 O' J1 ]# _& o" M, u7 a
and the shoes cost is 15
% t# r( r- x1 L ]4 ~公仔箱論壇
7 W" K, T- c; ?7 `www.tvboxnow.comso total he loss is 86...
0 \" f% N5 D0 z8 @
) B- t% C" R7 s. x6 b[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |