skybirds

首先損失Ｏ左件貨 $18 + 無啦啦找返錢俾條粉腸 $79 + 再加上無奈還俾街坊口既 $100
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( u: u  k2 j5 z4 o- P總共損失係 $18+$79+$100 = $197
6 e+ H  t- [1 s: k- x0 }  CTVBNOW 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。tvb now,tvbnow,bttvb+ W  B9 x% n! E5 x
或者如果係捉字失既話
% L% \6 [5 X9 r9 J) T公仔箱論壇$179 + 一件貨

skybirds

原帖由 jeffreyhohoyuan 於 2007-4-8 09:22 發表。 ! V, I; _& o2 k- v, R# e
$97 old question

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old question?
, Q( E+ l) @2 i0 Mbut how come u still have the wrong answer?
9 u( \6 j, `+ B1 }, g5.39.217.76what about the 100 dollars he gave it back to his neighbor

skybirds

原帖由 wwk6002 於 2007-5-5 22:53 發表。
3 c# h" f8 f' c公仔箱論壇請答197的人想清楚！5.39.217.76: J1 S; F0 J+ I. q) A
老闆用假的一百蚊(之後還返張真的一百蚊)，換了真的一百蚊零錢，
' ?. t" B( K. o) T* S( o8 R公仔箱論壇即係話只係用左一百蚊，就換黎真的一百蚊零錢，然後比左其中79蚊比買野條友，佢自己仲有21蚊，# }' R7 s1 x0 ?6 ^  N+ M6 X3 f
用左一百蚊，剩返21蚊，所以蝕了79蚊，還有貨品(成本1 ...

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1 `) M; D2 S( u' a% S& bYes, your answer is correct, but is only the 1st part, u forgot he paid back another $100 to his neighbor, that is another $100, not related to the first $100, you really have to 想清楚

skybirds

原帖由 prozzy 於 2007-5-18 23:05 發表。
) q: X. u. ?4 ETVBNOW 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.
/ z( U: k& P/ w  ?8 `* M* c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。: q4 Z; b( I4 i8 ?( Q& E  ?, O
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
- p: k3 t  _4 L公仔箱論壇2) Now, the owner discovered that the 100 bucks is fake. You can th ...

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1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrongTVBNOW 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。+ G0 K. I) J5 ~! ]+ g" h) D/ B# ?4 J& T
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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.公仔箱論壇; h5 X/ Q# ~1 _" Y+ S

; x$ [+ B# l) r% }* Q: tI 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) b% F# m4 z! {

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5.39.217.76; }0 P% `; ]4 [1 Q4 @/ O
dun 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.