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原帖由 prozzy 於 2007-5-18 23:05 發表。
- O# p2 I- {5 ]5.39.217.76the answer is -$97 for sure. 公仔箱論壇$ N7 H1 C7 p% q9 W
Think about it this way
( V0 H+ ?( C+ O; k0 A, r5 M5.39.217.761) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18): J- ^& S5 W- a0 c$ @& P% U
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
公仔箱論壇% r' N& a+ ~( L( z) O( n% w
5.39.217.761 v" L" V0 O+ Q5 l8 T2 H- L2 }
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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 wrong
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: c5 r! l8 d6 @0 ^tvb now,tvbnow,bttvbthink about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
) d* }' r6 b- H# x" b. ]% kTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。
# `" _, j" C5 \9 w# Dtvb now,tvbnow,bttvbI know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong.
??? 369258 ? 2007-6-28 23:29 ??? / N0 M2 c% O7 G  J+ _9 a' [  t) q& S
6 S: B& j* ^" `7 |5.39.217.76
1 C0 {. @) V( \8 A$ E5.39.217.76dun 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+18公仔箱論壇) q+ k/ N. u, M4 E
5.39.217.76+ M* n: y: o" P  u
[ 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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