原帖由 prozzy 於 2007-5-18 23:05 發表。 
3 R% G) V) B) Y4 d: Q6 a3 {/ pthe answer is -$97 for sure.
4 Q8 {7 N ?: y9 t) O- H公仔箱論壇Think about it this way 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 c# _8 F% j: m- `
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)公仔箱論壇* V2 ~- L3 y% s' k
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
www2.tvboxnow.com4 z6 O3 h: d1 e
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrongwww2.tvboxnow.com; }# V H* h+ F# a ~
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。9 T: K7 V* [" l
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.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。7 ?- G; b2 b C
3 k! H+ O! M. q6 ]4 ?tvb now,tvbnow,bttvbI know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong. |
發表於 2007-7-10 05:18 PM
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發表於 2007-7-11 03:19 PM
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