原帖由 prozzy 於 2007-5-18 23:05 發表。 
3 O$ Z8 v2 \, W5 z0 j4 j公仔箱論壇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。) ~' j' f1 |3 |& [: e
Think about it this way tvb now,tvbnow,bttvb& L0 l. H) ?5 M! I: v
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
' U5 j1 _# \! u, T3 b) W公仔箱論壇2) Now, the owner discovered that the 100 bucks is fake. You can th ...
" U, g* L* q3 f7 N 公仔箱論壇. p0 i. Y- o' h0 s7 a8 _
1) 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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) S5 E! u/ _- t- P! z' `. n' Pthink 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.& f% k( `2 v. P* ^3 o6 ?: Q4 q! j, {
9 C) X' {- S( m- D! n! W; k公仔箱論壇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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