skybirds

原帖由 prozzy 於 2007-5-18 23:05 發表。
, X: L) S. l! \% N" F; r& Ythe answer is -$97 for sure.
0 x7 B/ Y& Y4 |& t0 h公仔箱論壇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。: n9 B, p9 D; P3 ~; [: I* L
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
1 z' j) ]4 h3 k* }! kTVBNOW 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 ...

6 i. M; c8 ^# h$ ~, Y公仔箱論壇
' p1 Q2 B/ q" [& h9 o  U" R公仔箱論壇 公仔箱論壇7 E1 \, i* }6 c7 F" o
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* o8 R" Y; ^) B  ?  f0 Q

# @- ]7 k5 Y3 z3 x: p5 oTVBNOW 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 $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
  m( Q0 P3 \  v6 N/ B, A3 c2 w5 ^7 r公仔箱論壇 % N& S; b, Z5 m$ |. f
I know the answer becoz it really happening to my friend in his store in real LIFE, it can not be wrong.

skybirds

??? 369258 ? 2007-6-28 23:29 ??? 公仔箱論壇) W7 @# ~1 @; I' x% }

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。* u$ D2 c. Z: d; T8 o: S4 y

. b4 q  M7 t7 O& z1 Ldun forget that guy, not only the $18 dollars product he got on hand, he also got $79 dollars on this hand, he paid a fake 100 dollars bill, it means he paid nothing, and the boss gets nothing too, so u need to add 79 dollars to the total.

230km/hr

97

joey80

179+185.39.217.760 _" D8 x, Y5 ~

, V- R' l- |" ~0 p0 @+ L- A5.39.217.76[ 本帖最後由 joey80 於 2007-7-11 07:08 AM 編輯 ]

skydn

118

mkcjojo

??

fisherdai

18+79=97

wuchingching

not 97 ma ?

mibird

197

kent8118

Thanks for sharing!!!