原帖由 prozzy 於 2007-5-18 23:05 發表。 
( B, F' v7 j0 l7 j5.39.217.76the answer is -$97 for sure.
1 R: v) M$ o& Z3 {- vTVBNOW 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
4 U& {! T! F- ?+ j+ t5.39.217.761) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
* M: J8 f1 g ?! E6 [% O公仔箱論壇2) Now, the owner discovered that the 100 bucks is fake. You can th ...
5.39.217.76, I, P: C! t- h! h, h/ n& _7 z
# R8 b& t' c3 V/ v8 J! o5.39.217.761) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong5.39.217.768 @* h; M$ ]: V. j* E
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。4 {" ~" y8 d7 ?/ `$ \( x
think about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.tvb now,tvbnow,bttvb* v1 F0 K, Z' w# Z' z0 O' Y1 D1 j
TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。" z0 {; ^0 v u$ l; R* `
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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