21+50+15=86TVBNOW 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。3 \! O# t; G2 F7 P" \
why 86...0 ~' U+ V) D2 G! F" ]' }, E
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
, j2 l/ N' {- B) p4 I5.39.217.77:8898then he giv bck his fren 50* @8 S4 s! R1 [. ` {, m
and the shoes cost is 15tvb now,tvbnow,bttvb& O# f& z0 h* [# u4 f5 P" Y5 W
; }0 L1 C, Q) x8 M/ H, r5.39.217.77:8898so total he loss is 86...
4 `* k' B: T9 u# K" P- K1 E% X1 }/ n9 e ]( t7 x8 r" O/ p
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |