21+50+15=86tvb now,tvbnow,bttvb) ?7 l9 \% b2 [: R' I4 \
why 86...5.39.217.77:8898 p V8 O. G4 m6 {; c& G3 B% R3 {
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 214 n2 d5 l5 K5 q; ~/ V
then he giv bck his fren 503 m8 ^# U3 O2 S
and the shoes cost is 15
6 N! o0 v$ ?/ y# l! N+ G
* T- K* u1 Z3 H1 c5.39.217.77:8898so total he loss is 86...
! c! F7 C5 C) A( E4 |
+ ^1 j" j$ ?+ U, f" V! GTVBNOW 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 ] |