原帖由 prozzy 於 2007-5-18 23:05 發表。  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。& Z& G3 P) l; u, W0 P7 b. p
the answer is -$97 for sure. 公仔箱論壇8 C' g. p4 T; C2 R4 R2 V
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。; c0 I9 O' k( Z8 s, _1 B% J
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)os.tvboxnow.com+ E) L% ~) h* d+ S
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 wrong公仔箱論壇" `# ?. Q) s) V0 p. h4 L- v/ _
( N% K& i+ _1 p# c# U" z8 {3 |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, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。" s6 U1 m- Z$ ]4 o4 n9 W$ @, X
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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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