skybirds

原帖由 prozzy 於 2007-5-18 23:05 發表。
+ r  V9 V0 l9 R公仔箱論壇the answer is -$97 for sure. tvb now,tvbnow,bttvb$ N; x+ o$ q1 B4 |
Think about it this way tvb now,tvbnow,bttvb8 C" }) \" K' b' _" L& _
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)5.39.217.77:8898+ h( J5 s% J1 Q1 Z6 o) d
2) Now, the owner discovered that the 100 bucks is fake. You can th ...

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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 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。- Q& f0 d8 o% I& Y* h

  g2 r, f0 g  [+ V4 D7 Q公仔箱論壇think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.5.39.217.77:8898* D3 P& d5 {$ h+ K# I% _0 t
tvb now,tvbnow,bttvb6 k& ~" h0 j8 T2 `
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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0 {5 d. R6 ]% }; P4 {, `/ OTVBNOW 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。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+18TVBNOW 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 q: q) S3 Y4 U- \) H  e
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[ 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!!!