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。- S5 {9 h# B* |& q* Q0 z
why 86...公仔箱論壇' K* X3 } V$ S; g5 p# Z" |3 c
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 215 A2 o7 Z0 H4 e! R9 W4 R4 }3 P
then he giv bck his fren 50tvb now,tvbnow,bttvb$ f; Z# q. u J" h# I
and the shoes cost is 15
' p5 V4 \/ H* e2 h! U0 t7 b% i- g8 H: u7 A0 R, E
so total he loss is 86...
5 B* v9 R8 G) ]4 C9 T" Utvb now,tvbnow,bttvb. A. r* p& l M6 O+ m7 n
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |