21+50+15=869 E, `$ X; p5 J8 Q- m8 W
why 86...tvb now,tvbnow,bttvb" i0 j& w& u8 q8 H% C
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
7 P6 x% A2 P7 L5.39.217.76then he giv bck his fren 50
4 d8 ?) Y% y0 Y( G t9 u+ V' D% F9 D5.39.217.76and the shoes cost is 15
( m+ \" ^& @( y2 e5 L4 f5.39.217.76
. a4 U9 p7 k8 A3 @0 l# J; i/ zTVBNOW 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。so total he loss is 86...
$ [! ~$ e- j: K; I. ~, v) m* G
! x, t" |$ t3 L) PTVBNOW 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。[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |