21+50+15=86# o0 m7 ]7 t* }+ ` ^
why 86...
" R+ y$ z$ O* P& ?! nTVBNOW 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 21tvb now,tvbnow,bttvb, A1 B& u0 F+ G7 u! T7 w. f0 c# K
then he giv bck his fren 50
- f& y7 q4 J, ^7 S0 g; X公仔箱論壇and the shoes cost is 15; g" I3 R, [& U0 y8 |: `8 G
5.39.217.76/ F0 C5 Z. Y: L: ~/ @9 h, A* l
so total he loss is 86...
- K5 I$ n, H% s7 m公仔箱論壇: n2 o- m+ ?& n) A
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |