21+50+15=86
* c# A: F ~0 T* H) r" Swhy 86...
2 x0 m4 R+ _) B6 r1 t& 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。becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21 j7 S3 I9 c, x+ x1 K
then he giv bck his fren 50tvb now,tvbnow,bttvb& f6 r7 q, ^0 _: B6 e% Q
and the shoes cost is 15公仔箱論壇1 |2 b" U, X/ R
Z9 l. T! }; r9 e: ~/ j. y. _公仔箱論壇so total he loss is 86...5.39.217.77:8898 t/ V! b% h" Z! Z
4 o- G/ j6 w* r6 L5 z5.39.217.77:8898[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |