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原帖由 prozzy 於 2007-5-18 23:05 發表。
! p3 W) G+ m3 J( s公仔箱論壇the answer is -$97 for sure.
$ D$ l& _" z' O  @8 @# K, a2 ^1 fThink about it this way
( n' c+ O/ X/ ltvb now,tvbnow,bttvb1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
' Q1 @: Y- F7 G0 Z5 U2) Now, the owner discovered that the 100 bucks is fake. You can th ...
% n0 `6 V$ b: O5 T5 \9 X3 ^( M7 f$ C5.39.217.768 Q# @/ E8 i$ q9 A3 F: [/ \

2 P$ x" X- {- _! D3 B5.39.217.761) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
- u. j$ y" B4 R( n 公仔箱論壇# ?3 C! n) S* n  b1 ?+ D4 l! t# T7 d
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.公仔箱論壇/ x' ?. r. o# r2 G

; z* n3 l! j+ j* u& A' |0 H  {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 ???
& [& t: x4 x% Ntvb now,tvbnow,bttvb
, T; ?  k) b' U$ y0 f4 p9 U( Y* y. Rtvb now,tvbnow,bttvb
9 b/ x4 x, I; O0 }3 r; t5.39.217.76dun 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.

回復第 1 帖由 idontgiveashit 所發的帖子

97
179+18tvb now,tvbnow,bttvb# p* P: n8 F4 P% x
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[ 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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