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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 $100
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8 s2 f) {0 Y: [! z5 xTVBNOW 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。總共損失係 $18+$79+$100 = $197 ; @6 a7 M& B8 ]7 n: M8 C
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或者如果係捉字失既話
9 k# q; [8 @. J4 d0 n5.39.217.76$179 + 一件貨
原帖由 jeffreyhohoyuan 於 2007-4-8 09:22 發表。 
. u5 ]+ i) ^% Y- G$97 old question
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5 _5 t5 k1 `- |/ ^; v& w7 atvb now,tvbnow,bttvbold question?
2 e( I- M; S0 q+ z  m2 y4 A# Pbut how come u still have the wrong answer?
3 U( W/ `: a. P1 |, ctvb now,tvbnow,bttvbwhat about the 100 dollars he gave it back to his neighbor
原帖由 wwk6002 於 2007-5-5 22:53 發表。
7 e% }4 S  ?& x% F公仔箱論壇請答197的人想清楚!TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。4 N: s; Z3 }% N  ^. \# Y5 m
老闆用假的一百蚊(之後還返張真的一百蚊),換了真的一百蚊零錢,
: n/ S* s1 [( [5.39.217.76即係話只係用左一百蚊,就換黎真的一百蚊零錢,然後比左其中79蚊比買野條友,佢自己仲有21蚊,3 c! D5 v; a6 e9 M) Q) O$ l4 W, N
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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6 A& l1 m& y! Y  f  @tvb now,tvbnow,bttvbYes, 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。 : q6 g% |. x6 I% P: n. |: ]
the answer is -$97 for sure. 2 @3 O4 C# l# ?0 l7 A  @/ N
Think about it this way
4 [9 n# f  p+ n. U1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)& `$ C" `. a3 W$ Q; p5 _2 a
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 wrong公仔箱論壇/ D, L% g* y! y# Y  e
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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.
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3 L1 c1 ^2 x4 V9 Ktvb now,tvbnow,bttvbI 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 ??? , K8 x( F5 {% |( B' C: B, g
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+ q& d/ u; J) V, I% H/ K8 z; P( d: ndun 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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