21+50+15=86
, y! Y1 t3 m! N' K( R4 [why 86...
9 ]/ D1 T B* DTVBNOW 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。becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
J H7 d. `& N! P! kthen he giv bck his fren 50
9 D- e6 i: v" q$ l* f5.39.217.77and the shoes cost is 155.39.217.77; S; E* v6 P0 [% D0 A/ Y- I$ K
公仔箱論壇/ `& u& ]7 Q+ h( o% G
so total he loss is 86...tvb now,tvbnow,bttvb. a9 ~% h" ]9 A2 F
公仔箱論壇 [8 n( r* G" z9 D: G
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |