skybirds

原帖由 prozzy 於 2007-5-18 23:05 發表。 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。6 L" O3 H/ @: a' A# T2 f$ G
the answer is -$97 for sure.
( r) C2 F$ S+ {3 c3 X公仔箱論壇Think about it this way
( d, V! |6 ^. e4 u5 |5.39.217.761) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)公仔箱論壇6 ]0 q. L2 V5 g$ O" Y* z
2) Now, the owner discovered that the 100 bucks is fake. You can th ...

5 {$ W' b' b% U5 s, @公仔箱論壇+ g& w$ q3 j5 I% o2 H% q7 ^/ m; g, L
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。5 ~9 ~( P+ k0 z
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
7 V5 b, D8 I$ r% k, ?3 x公仔箱論壇 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。! ~! ~! ^0 h0 S7 V) ^  p
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.
* K( \3 f) ?9 L- {0 ^5.39.217.76 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。" x9 t7 q. a  ^' I
I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong.

skybirds

??? 369258 ? 2007-6-28 23:29 ???
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) A9 D6 l) R; @. Atvb now,tvbnow,bttvb" |: H4 q) }1 ]$ H- w/ L
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.

230km/hr

97

joey80

179+18tvb now,tvbnow,bttvb/ ~1 c) m7 F1 z. B& S6 N

7 K0 }7 p! l1 P4 v) t1 D1 PTVBNOW 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。[ 本帖最後由 joey80 於 2007-7-11 07:08 AM 編輯 ]

skydn

118

mkcjojo

??

fisherdai

18+79=97

wuchingching

not 97 ma ?

mibird

197

kent8118

Thanks for sharing!!!