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原帖由 prozzy 於 2007-5-18 23:05 發表。
: J/ [/ b$ b8 ?3 P) `the answer is -$97 for sure. 2 i% g# v4 Z3 F$ {6 J
Think about it this way 5.39.217.769 O& a- r' }* v3 u0 }3 @% z( j
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)5.39.217.76( o/ d8 H: }8 \- B3 B" |  k
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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+ o5 s+ m+ u5 x8 i0 h) q公仔箱論壇1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong0 ~1 d6 w9 P# b/ G; G  E. [! ]; G

' l" N6 L0 d4 C% a2 ?1 m5.39.217.76think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
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I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong.
??? 369258 ? 2007-6-28 23:29 ???
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, P9 l$ f/ F/ i4 M6 ]tvb now,tvbnow,bttvb
& s" U$ V8 P) B* ^/ ?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。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
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; A6 P/ T3 g+ ]* t& l9 b公仔箱論壇[ 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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