21+50+15=86
; {7 y5 [0 Z7 X5 Q3 `3 I7 Y$ F3 Owhy 86...tvb now,tvbnow,bttvb0 K0 M& e+ ~/ ?# l
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
. X# z' G# J2 r, u" \. _! q5.39.217.77:8898then he giv bck his fren 50公仔箱論壇9 @# [, |" L" g3 ~7 P/ U
and the shoes cost is 15
1 |. i# Z( ^- v( a9 ], M! aTVBNOW 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。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。# q9 l" E. n, v7 G5 L2 w9 H% b% v
so total he loss is 86...
3 H' `2 T: Y" z X6 o3 q4 K, X6 e
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |