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原帖由 prozzy 於 2007-5-18 23:05 發表。
1 R3 {# P+ q% x! Cthe answer is -$97 for sure.
% r; H$ M  z* u" A公仔箱論壇Think about it this way
6 }5 e# [7 r; |# ~& ?' X+ o1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)5.39.217.76* R! W7 Z7 ^/ p+ q" Y
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
$ t$ f6 @& T' w' E4 e, C- w' ^0 |. x5.39.217.76, ^) J  d- X% f. y/ N0 G6 l0 Z0 K

* {& p) ]& a' z1 o, stvb now,tvbnow,bttvb1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong公仔箱論壇% w7 |# W% q4 w) i

8 i6 w% O  ?- ?( M2 X! u5.39.217.76think 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.tvb now,tvbnow,bttvb0 A" J! x" |& g, f2 _2 y
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I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong.
??? 369258 ? 2007-6-28 23:29 ???
5 v* H' g7 }, I" S0 E- xTVBNOW 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。
' a/ j( w. `8 u7 z4 l- |公仔箱論壇
" E' L% s3 z0 T& w* z! G: v+ J公仔箱論壇dun 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.

回復第 1 帖由 idontgiveashit 所發的帖子

97
179+18
7 T2 s2 y' |4 D; Ctvb now,tvbnow,bttvbtvb now,tvbnow,bttvb. t& J7 W1 a' [5 I* g2 Y' \- |4 X
[ 本帖最後由 joey80 於 2007-7-11 07:08 AM 編輯 ]
118

$97 lost

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回復第 213 帖由 skybirds 所發的帖子

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??
18+79=97
not 97 ma ?
197
Thanks for sharing!!!
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