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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 $100tvb now,tvbnow,bttvb4 S  P; J, ]+ 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。/ y, D0 ^) t4 I3 J
總共損失係 $18+$79+$100 = $197 公仔箱論壇" ~: l5 K) s7 z- @7 J: {

3 `5 z- V$ `$ C2 S! S3 QTVBNOW 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。或者如果係捉字失既話  R( `2 `4 L0 k
$179 + 一件貨
原帖由 jeffreyhohoyuan 於 2007-4-8 09:22 發表。 ) M  d- W5 O" L
$97 old question
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: ~0 X  T- A/ R+ {TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。old question?
- ]5 i8 w% t, Fbut how come u still have the wrong answer?
3 _, R7 M1 v" q% b* eTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。what about the 100 dollars he gave it back to his neighbor
原帖由 wwk6002 於 2007-5-5 22:53 發表。 tvb now,tvbnow,bttvb+ k0 f# d; i) a' J3 M* c: m! I8 ~
請答197的人想清楚!
+ N. {  b# T) Z' \6 g3 h( V5.39.217.76老闆用假的一百蚊(之後還返張真的一百蚊),換了真的一百蚊零錢,公仔箱論壇& G2 V) A$ v9 t& A4 |
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,0 `- y9 A0 X7 F) h$ _) o
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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% T, O1 Y) d. L# m1 a' n& zYes, 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
原帖由 prozzy 於 2007-5-18 23:05 發表。 9 {& i- e' H% w
the answer is -$97 for sure. tvb now,tvbnow,bttvb' V+ X7 h4 E% p- a$ X) O1 S
Think about it this way tvb now,tvbnow,bttvb( |; H5 Z" x: ^4 x
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)tvb now,tvbnow,bttvb4 t' k, x% k. j7 Q; P  T
2) Now, the owner discovered that the 100 bucks is fake. You can th ...
TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。4 H6 \- c/ W6 M. S4 S$ R' g% w; I/ n' B

5 D* C" Z4 m) B2 W, G/ J! s+ dTVBNOW 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。
: i7 U7 x- n6 \2 o; v5.39.217.761) 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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! A% c5 @0 u3 `3 H$ A2 q7 F9 x. Vthink about it, when the bill is fake, and he gave him $79 change back, that is -79 already, it means the 100 on his hand is equal to 0 (Zero), how did he makes profit when he got a fake bills, then he need to pay another real 100 dollars bill to his neighbor, that another -100, plus the product he lost, thats another 18 dollars, Do Not Even Mention the 3 dollars, there is no profit he can make when he got a fake bill.
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3 o+ j7 j# C$ Q5 P  S4 D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.
??? 369258 ? 2007-6-28 23:29 ???
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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.
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