原帖由 prozzy 於 2007-5-18 23:05 發表。 
/ V. _0 p0 H4 E: `$ n1 e2 Swww3.tvboxnow.comthe answer is -$97 for sure.
- i, \2 a9 @8 V1 S: i7 W6 hTVBNOW 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
5 n. `1 D2 n% n5 d1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)- S5 Q P! I4 z' |$ Z
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
9 i" t8 f x) g# h+ f7 ]0 I/ Jtvb now,tvbnow,bttvb
: [& [5 e' ~1 H* ?, I7 W1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
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/ d$ t O2 q6 T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.公仔箱論壇5 V2 Y/ U; b& F% a
4 ]9 Q4 T Z! Z& c, ETVBNOW 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。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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