21+50+15=86 ) [' W8 N7 R8 ?) K0 }why 86... , {+ i- u! l! x5.39.217.77:8898becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 215.39.217.77:8898 V- a5 A: W3 V7 L7 D
then he giv bck his fren 50 % s1 `, }' `6 J. b' jTVBNOW 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。and the shoes cost is 15 " Y3 u( R" D5 [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。' Z4 G7 L+ ^% D: p
so total he loss is 86... * q2 {2 f$ o, l+ n" ?8 F5.39.217.77:8898# V9 R2 R' ^$ r1 q8 ?
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ]