21+50+15=86
2 j& d( b" o, j9 z% 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。why 86...
" S8 Z8 p2 V# x2 J! Swww1.tvboxnow.combecos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21公仔箱論壇. ~$ d+ S& Y f X$ S" l
then he giv bck his fren 50
* K& v+ j* x6 E- O8 Y& w公仔箱論壇and the shoes cost is 15
& y& N4 e/ b5 R f5 C+ ytvb now,tvbnow,bttvb
p4 a% F3 }2 K4 J) U1 v7 S* [so total he loss is 86...
% Z6 ^: l0 x, Cwww1.tvboxnow.com7 p/ S+ R( z, z6 T P" @/ e7 Q
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |