21+50+15=86
+ K9 P0 [# {/ _ ]* hwhy 86...
0 C7 P$ }; L, `. Uwww1.tvboxnow.combecos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
/ h0 Y% k+ ]: r! bthen he giv bck his fren 50tvb now,tvbnow,bttvb- Q: n3 U3 y6 }- D: A
and the shoes cost is 15
7 o# R& z( |6 Hwww1.tvboxnow.com
2 P0 Z' o) P: ?. ~7 @' F2 m$ mtvb now,tvbnow,bttvbso total he loss is 86...tvb now,tvbnow,bttvb' z: b8 S- _0 w( [4 i8 V/ O# b2 C! D
www1.tvboxnow.com; l! `6 t) M5 X- N% A8 q
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |