21+50+15=86tvb now,tvbnow,bttvb8 b' I6 ]2 X7 u$ x1 k, B6 e
why 86...公仔箱論壇: F7 k9 k; o4 @4 m9 q5 _7 S" R* y
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
0 |' G, K: m, N公仔箱論壇then he giv bck his fren 50
/ ~" x) X: }9 `7 p f; J# M5.39.217.77:8898and the shoes cost is 15
; U4 Q& P: ]$ O5 S7 \( ~
. ~1 G1 @/ s5 H. {tvb now,tvbnow,bttvbso total he loss is 86...
! |1 z: z4 y9 Z. a% s. J5.39.217.77:8898TVBNOW 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。/ K$ w/ f. ~; W" H. f
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |