21+50+15=86' T( _& L8 C4 O. u
why 86...
" w, Y/ M; X% i( f' D/ x4 s0 D9 ~! Stvb now,tvbnow,bttvbbecos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
4 V9 H# N: P! J+ [4 w B! pthen he giv bck his fren 50TVBNOW 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。5 g6 F a4 U( U. U& b) d
and the shoes cost is 15tvb now,tvbnow,bttvb3 @( }# ?$ m% s5 ~- S7 v* T/ J
公仔箱論壇2 z4 O. Z6 |, N; c" f
so total he loss is 86...
. G: r3 d# [2 H1 C. E* `& ?tvb now,tvbnow,bttvb
2 z: b9 U; m$ V" V6 Q( H, o公仔箱論壇[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |