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。6 C7 j$ ]+ k/ |- S
why 86...- z* a) w9 K( n' k$ }
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21( S& Y) K& d4 J" [+ D( A" e
then he giv bck his fren 50" `! i2 C1 C( w! H/ c% ?
and the shoes cost is 152 K+ ?6 [) _- L% D& S9 p( @
: \) W& y6 l0 qso total he loss is 86...
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9 `, v6 ?( \: G[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |