原帖由 prozzy 於 2007-5-18 23:05 發表。  * G! B, n: o& g5 s" H: K F, l, m) C+ J
the answer is -$97 for sure. 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。, g x# p+ C) w
Think about it this way
) B) u) ^+ E9 ]6 W+ m" R3 z# tTVBNOW 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)tvb now,tvbnow,bttvb) [" j% u& ^: Q+ g7 _1 ~+ Z
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。7 ^: G0 ?( }' _4 ~6 U& _% _( Q/ e
1 O# ~; k7 W3 h; L1 H" K5.39.217.771) 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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7 @& ^+ P } e9 q& |6 w: J: x! O. Vtvb now,tvbnow,bttvbthink about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。/ Z J! m5 u3 o/ n! W. p* X
公仔箱論壇" A g1 G$ S( d+ x" L
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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