skybirds

原帖由 prozzy 於 2007-5-18 23:05 發表。
; M- b! n7 M3 hthe answer is -$97 for sure.
- b. b$ G2 @* Q4 Y6 w! R) \5.39.217.77Think about it this way tvb now,tvbnow,bttvb1 Z. I: S: H/ ~, m% _; W, C
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)5.39.217.776 c  ^0 b& \8 _# f8 _' [  R$ v' g$ A& w% d
2) Now, the owner discovered that the 100 bucks is fake. You can th ...

# J8 ]1 j3 h! w0 ~$ W1 CTVBNOW 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。- ~. \& d  ]/ Z9 s' {& R0 \

, ]; u8 X, X5 f$ p& f6 t( `1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
' S2 H0 o4 J0 w0 V5.39.217.77
% A0 U" r& C. T+ Y) FTVBNOW 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.

skybirds

??? 369258 ? 2007-6-28 23:29 ???
9 T' f" x0 }1 f3 QTVBNOW 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% f* `; x( |' Atvb now,tvbnow,bttvb1 y6 a7 V, y$ T8 ~
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
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! O! D$ w; c% U* l, ^5 U. J公仔箱論壇[ 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!!!