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原帖由 prozzy 於 2007-5-18 23:05 發表。 5.39.217.77% o: }- Y7 H2 L( I
the answer is -$97 for sure.
  n, c4 ]- M, c! f7 `Think about it this way
" H& K, i0 j9 h1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
. U1 ~7 @' m7 ~6 L) B+ L5 Z' w% t) I- xtvb now,tvbnow,bttvb2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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1 |4 B7 o, |: g7 ]* h3 R- v+ P: Z5.39.217.771) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong  x2 L: t0 D* N5 D$ b6 H2 o

/ e3 L5 y! b# L. k5 O" hTVBNOW 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。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 ??? 8 W8 d; c1 {( b/ ^6 Q- u. q
7 k* U: j. K- m% J; iTVBNOW 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。tvb now,tvbnow,bttvb6 j( b: J: n/ N& V/ P' s: m' d
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
4 ?$ \" V( N) o5.39.217.77TVBNOW 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。" \. I2 L9 Q0 c  p& r
[ 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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