21+50+15=86
! e# C: {- `2 g& i# o1 p' z! TTVBNOW 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。why 86...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。: l& g# B: o: L. v1 R' D2 a; i
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
) K: \3 f4 Z" r+ S ytvb now,tvbnow,bttvbthen he giv bck his fren 505.39.217.767 b, C. G1 K$ w% K: _; V
and the shoes cost is 15
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; n0 w4 ^" N: ltvb now,tvbnow,bttvbso total he loss is 86...1 ]* y1 u: n1 ]$ o6 z& O
) `" p2 d! C R' a! f' T" L8 C" {
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |