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。# {+ u5 @! t: I" o+ K$ T
why 86...tvb now,tvbnow,bttvb2 B# m- }! H9 v$ y) z& p/ t/ G
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
r& R0 m) a) @, H5 Z( rthen he giv bck his fren 505.39.217.766 K% Y6 ?3 n5 D
and the shoes cost is 15
# n2 x, \ \: W0 O! ?, M2 W公仔箱論壇5.39.217.76% M% c. h2 `1 l" ]8 e# \2 N
so total he loss is 86...; t1 R, q! }' }0 P2 E( G/ G3 C; p+ Y
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[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |