原帖由 prozzy 於 2007-5-18 23:05 發表。 
4 B E2 V* n$ S8 Atvb now,tvbnow,bttvbthe answer is -$97 for sure.
6 B; h T1 L' c8 x公仔箱論壇Think about it this way 公仔箱論壇7 G$ u) l' g& w4 Y9 k& ]( t
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
8 N( M4 [$ w6 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。2) Now, the owner discovered that the 100 bucks is fake. You can th ...
8 F" o! w0 g2 M, T$ ]7 ]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。 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 g+ j$ N9 K3 `+ t
1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
6 c' _) ~1 G& c4 L* Z/ Q
9 I9 A1 _* y# Z5 ^! K/ P' {9 ?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.0 c' ]: L8 \( g0 T
n; ^8 o9 N% M( `/ R$ f
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
| 
發表於 2007-7-11 03:19 PM
| 
