21+50+15=86
- t2 b) A- K6 U公仔箱論壇why 86...
& z; {8 |1 _& B: U5 e/ N公仔箱論壇becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
7 S, P3 [8 O) c5 B7 }6 |: I& _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。then he giv bck his fren 50
: W3 i4 Y! |0 E# @, d) yand the shoes cost is 15
4 A! i9 S {' K$ S* Ctvb now,tvbnow,bttvb
" m# X2 Z4 V, S/ s& v5 G$ c4 Atvb now,tvbnow,bttvbso total he loss is 86...tvb now,tvbnow,bttvb2 T$ n$ K3 D4 q) J% l3 p7 e3 T8 _
1 d" s/ p1 B! c[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |