21+50+15=86
6 |) l7 X' g. J1 W1 b1 D# F+ V5.39.217.76why 86...tvb now,tvbnow,bttvb+ I8 A7 \1 S Y5 U; ~( h) G
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
& J& w E% A# J+ \2 G' Q0 P9 {tvb now,tvbnow,bttvbthen he giv bck his fren 50
& c3 |1 A/ M' E+ v5.39.217.76and the shoes cost is 15
& ]. ?2 Z; x& ]0 ?$ L! N+ }公仔箱論壇) ~: r8 ]1 j7 p% k& |; f3 B
so total he loss is 86...tvb now,tvbnow,bttvb4 Z# Y U9 N& @
% F7 e" m& ^8 l' f1 dtvb now,tvbnow,bttvb[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |