原帖由 prozzy 於 2007-5-18 23:05 發表。 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。+ N7 {0 S# x4 B) j8 l( {
the answer is -$97 for sure.
7 H7 d& O4 C' g7 \: f0 H3 Q! t* ]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 this way 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; o4 \. g# V k; A
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
( A$ f, P. G5 v: _6 N2) Now, the owner discovered that the 100 bucks is fake. You can th ... # f2 U( e6 D$ C( A, Xwww.tvboxnow.com
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" B0 p1 N z: M: }/ S6 WTVBNOW 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) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong公仔箱論壇9 T$ t# R' |: M: `! y- Y
9 A. |+ V! H8 Z4 [! {, u( |$ ?5 STVBNOW 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.tvb now,tvbnow,bttvb5 u' d: w% b; _! W' M- z
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。* [ O# [1 y' c; F" u
I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong. |