原帖由 prozzy 於 2007-5-18 23:05 發表。 
$ G( {, b2 ~0 C% [* sthe answer is -$97 for sure.
/ q) _' `3 t* |TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。Think about it this way
2 ~" u" R$ l% q5 r( O$ A$ j1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。5 L) d8 O3 _$ d, H+ H a
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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。2 L7 e' u. a0 x4 B& s
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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 wrong
4 X7 J- C: \6 g. ]8 kTVBNOW 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 `0 R* s& O2 t$ 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 $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
+ O( f; x6 Q5 v+ ptvb now,tvbnow,bttvb
- V4 x9 a2 o4 a6 |$ I1 s公仔箱論壇I 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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