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原帖由 prozzy 於 2007-5-18 23:05 發表。 5.39.217.778 @: L7 f( b- [8 N0 B) a) ?/ t
the answer is -$97 for sure.
  o+ N" l! A- z# B! p+ B9 btvb now,tvbnow,bttvbThink about it this way ) a1 ?" W# \, s% ~3 [- k
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)tvb now,tvbnow,bttvb6 Y  ^, z2 L! }! s0 {) I( f* K) Y  V5 z
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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。" n' T% W' D+ V( [

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1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrongTVBNOW 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。  F+ I5 K, l4 x( F7 k  W
tvb now,tvbnow,bttvb, V0 p. Z: @( m' 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.
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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 ??? 公仔箱論壇& y7 [( x  S/ @% V8 `
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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
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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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