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。; X0 Z9 p' P, \9 u3 i- m0 C1 a
the answer is -$97 for sure. TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。! ?$ C! v% ^0 n, d9 C6 ~/ d
Think about it this way
% E# s4 R# z) l+ w: W* c公仔箱論壇1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)1 M' |6 D) e' C/ |! I
2) Now, the owner discovered that the 100 bucks is fake. You can th ...

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1 ?3 U$ w4 G/ ` 5.39.217.760 `" w9 ^7 h" Q% s: H$ ^. U. j  @. D
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。" @; b- c+ p5 o8 e) u, s

  g* m5 f) h: a2 h5 v- ]. tthink about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.) V& q& P5 u0 J
公仔箱論壇; b6 D5 M$ l6 Q% O( \
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 ??? 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。1 i9 ~2 s3 A: M  d- c: b" R) ~9 `

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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.

230km/hr

97

joey80

179+18公仔箱論壇) z( U! C4 w+ {
5.39.217.76$ \& G- }8 x" S
[ 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!!!