原帖由 prozzy 於 2007-5-18 23:05 發表。 
: C4 S0 |9 Y& [' l/ @& ?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。the answer is -$97 for sure.
" N6 a! Y+ T( A. `1 C5.39.217.76Think about it this way
0 u) W r. m7 ?0 Ytvb now,tvbnow,bttvb1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
2 R3 V) Q# H. q* r. V% ^& i公仔箱論壇2) Now, the owner discovered that the 100 bucks is fake. You can th ...
" r/ J: A+ V. Y. u1 c3 f9 Y) Z1 k
9 n; C- l1 d* ?5 P1 T1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrong
" V$ W2 [8 q# a4 Ltvb now,tvbnow,bttvb
/ _( w# s- w1 X: \0 P' {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 $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.tvb now,tvbnow,bttvb5 n$ L' v7 p/ w; a3 i1 Z
% R& h+ w1 M2 ~$ }) `9 htvb now,tvbnow,bttvbI 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
| 
