21+50+15=865.39.217.76/ j( t; \* J# B1 o# i& \5 t7 T5 X
why 86...
4 d: ?& v% f0 ~* tTVBNOW 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。becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21公仔箱論壇* Y) j/ H. g9 h5 U0 C
then he giv bck his fren 50
% h. ?2 \! P" y: g2 Sand the shoes cost is 15tvb now,tvbnow,bttvb a- S" j, U* x
tvb now,tvbnow,bttvb0 ] ^* z8 F- y8 O) @
so total he loss is 86...tvb now,tvbnow,bttvb ]" A# a3 {, i! I. z
+ {( j2 v" P4 T0 B, c
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |
發表於 2008-12-3 01:46 AM
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