21+50+15=865.39.217.77% q( \4 w( {6 D9 {& D) L
why 86...
2 d$ n. ], ` a) M: d/ |4 eTVBNOW 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 21TVBNOW 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。9 `& ^4 P" |: }) Z4 j
then he giv bck his fren 50
% a" r$ Z% l; x. ^* |4 f8 a2 Gand the shoes cost is 15
; S' K0 O( \3 y$ d/ b3 F
3 \! Z8 v3 A) m$ h8 J5 T `公仔箱論壇so total he loss is 86...
& q. Y- g6 z7 H5.39.217.775.39.217.77% ~% e" Y' L; t$ K" d$ U6 L' Q
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |