21+50+15=86
9 z1 T2 D8 Y3 zTVBNOW 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...
8 R; I" c6 }: \$ y( P: x7 sbecos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
4 k3 o* |1 {. R8 g9 hthen he giv bck his fren 50
* q f% k/ y6 _2 ~, D8 P3 Rtvb now,tvbnow,bttvband the shoes cost is 15
8 @) E' ]% x( R$ Dtvb now,tvbnow,bttvb
8 w- ~3 s$ F% `8 z, Jso total he loss is 86...os.tvboxnow.com T! x1 S4 ~2 L% k
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[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |