21+50+15=86/ u# W# p& G# R
why 86...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。6 E7 N, h3 {# G( P5 y$ N
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
! ~/ K! j) k) k2 ^5 }5 f3 U$ v) ywww.tvboxnow.comthen he giv bck his fren 50www.tvboxnow.com# R: Y) H, |9 r# S( c8 Y
and the shoes cost is 15www.tvboxnow.com f8 L; X9 o5 K8 S
www.tvboxnow.com6 m5 G% s* M" x {& a3 I
so total he loss is 86...
; [2 b4 ?( F- G) d6 ]+ aTVBNOW 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。7 t. N! P/ N! S8 Q+ r6 o. @+ R4 s
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |