21+50+15=86
' f3 [; z* H( ~5 y1 d. [tvb now,tvbnow,bttvbwhy 86...
5 K$ `9 e( ]1 I% ?) s2 L: [5 Kbecos he change 50 "small money" then giv bck to customer 29 and he keep the balance 213 @& W( A! g. y9 t6 a5 {& s7 W
then he giv bck his fren 50
) v7 z4 H+ |. H, j7 ^( ?+ n' D公仔箱論壇and the shoes cost is 15
- O9 ?6 m Y6 M% e; G/ `1 ?1 MTVBNOW 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。4 W# q. v/ B7 N% ^% k
so total he loss is 86...
2 f- t2 A. b3 ]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。5.39.217.76% d/ f. G" V7 A* [5 u" |. Z( {+ @
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |