原帖由 prozzy 於 2007-5-18 23:05 發表。 
9 r4 o2 L" D/ _/ J, C# g0 }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。the answer is -$97 for sure.
# ^- H1 ^2 l9 ]; W' ?1 o& w. rtvb now,tvbnow,bttvbThink about it this way 0 \9 t/ V( {3 A0 d# p
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)5.39.217.76! P& r, ^$ S/ E; k
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
( D" w; e9 C' {$ O) _5 v公仔箱論壇 5.39.217.762 } |2 _! I) `7 Z
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong5.39.217.76% g, @: Q) v c3 K
% q( u/ d- R2 T* O$ V5 c5.39.217.76think 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.3 S2 C ^( R* E3 f/ L
2 F6 \6 k; u7 n j- Dtvb 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
| 
發表於 2007-7-11 03:19 PM
| 
