21+50+15=86
5 j3 P! ?) ?' V6 ~why 86...tvb now,tvbnow,bttvb/ f- h! E: S2 o `$ w
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21tvb now,tvbnow,bttvb; X% o3 I( M, }: i3 @
then he giv bck his fren 50
7 G5 s0 i' t8 H8 u, c6 \( eand the shoes cost is 15TVBNOW 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。9 ?% M, G; [! `2 c7 E
) s/ Q z) I4 E. d; Q, c
so total he loss is 86...
2 ^' P' Z1 C" j. T5 STVBNOW 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。
+ Y; G2 P' M/ C; v9 i[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |