21+50+15=86TVBNOW 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。. ^; m$ e2 U8 [# E- d% ~
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。1 T. d6 [4 d0 u: K
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
0 `, ]$ B6 z& x8 ]) a% Vtvb now,tvbnow,bttvbthen he giv bck his fren 504 Y4 H& B6 v+ ?
and the shoes cost is 15
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so total he loss is 86...tvb now,tvbnow,bttvb; K0 U7 L6 h6 i+ g5 P4 _
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[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |