skybirds

原帖由 prozzy 於 2007-5-18 23:05 發表。 0 d9 X# V/ W9 U  m+ g
the answer is -$97 for sure.
& v' K. X. @7 Y  U6 SThink about it this way 公仔箱論壇6 q! z8 ]% x, M. P0 {& M
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
& L: l  g0 l3 c( ^( L公仔箱論壇2) Now, the owner discovered that the 100 bucks is fake. You can th ...

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. i, M; Q0 y9 \4 Z9 p1 dTVBNOW 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。 5.39.217.76( j* D  Q$ _3 @3 a  N/ c" |1 D
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong5.39.217.765 w9 I% E; `7 v) F# J# q% q

: |" \, Y" [! O公仔箱論壇think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
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( t8 y/ T/ T% @2 O0 h5 t9 D7 y& S+ {公仔箱論壇I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong.

skybirds

??? 369258 ? 2007-6-28 23:29 ???
$ t8 O* C: M  Y+ o公仔箱論壇

TVBNOW 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。/ n5 ~! x; L3 J) O3 {

( `: Y( D9 }/ i# @# \5 O5.39.217.76dun forget that guy, not only the $18 dollars product he got on hand, he also got $79 dollars on this hand, he paid a fake 100 dollars bill, it means he paid nothing, and the boss gets nothing too, so u need to add 79 dollars to the total.

230km/hr

97

joey80

179+18TVBNOW 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 k/ n* u7 k8 ^  p, j* \# _

8 S' v1 ]* d/ u; c+ D公仔箱論壇[ 本帖最後由 joey80 於 2007-7-11 07:08 AM 編輯 ]

skydn

118

mkcjojo

??

fisherdai

18+79=97

wuchingching

not 97 ma ?

mibird

197

kent8118

Thanks for sharing!!!