原帖由 prozzy 於 2007-5-18 23:05 發表。 
1 e; M+ u, h2 Z5 p) y0 Z, g公仔箱論壇the answer is -$97 for sure. 7 y2 B" ]# @/ n; d; O+ i; d
Think about it this way
3 X8 Z. \% ]' b' H$ Z; `$ A, d# I, oTVBNOW 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) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
9 {* E: N* w) H2 ]3 G( ?公仔箱論壇2) Now, the owner discovered that the 100 bucks is fake. You can th ...
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0 A# S. \$ h6 T3 Xtvb now,tvbnow,bttvb1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
# g, n( N- W* X! z- u! i' k5.39.217.76 # \7 k3 N1 ?) J7 N( s/ i
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.8 }. S" k6 \9 ?+ E3 ]: {) _
8 {& _& Y6 p2 t0 K6 o* oTVBNOW 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 2007-4-9 06:27 PM
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