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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
& R7 s: h5 C0 N. ]公仔箱論壇
% A# x7 A7 y) ]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。總共損失係 $18+$79+$100 = $197
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或者如果係捉字失既話
' }" p0 Y# N1 O5 G9 K$179 + 一件貨
原帖由 jeffreyhohoyuan 於 2007-4-8 09:22 發表。 
, f! X. b0 o; w- z1 E0 c5.39.217.76$97 old question
tvb now,tvbnow,bttvb1 ~6 ~# x% o0 O/ ?
tvb now,tvbnow,bttvb+ ~- X7 K) k8 I$ Y( O6 h
old question?公仔箱論壇( A7 j5 C5 V. ^" V6 Y
but how come u still have the wrong answer?
! q& q  E5 K# t) C5 \; G4 twhat about the 100 dollars he gave it back to his neighbor
原帖由 wwk6002 於 2007-5-5 22:53 發表。
# k" }: J5 l) B3 p+ n公仔箱論壇請答197的人想清楚!
( K  Y; t- z. }" \4 ~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。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,
# Q/ b9 m. I/ Z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,2 \# @$ F, n3 _. X* u( g
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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5 k+ b# s& k- T) Xtvb now,tvbnow,bttvb 0 D. y: E9 ^% d; q2 H: @: L
Yes, 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 $100, you really have to 想清楚
原帖由 prozzy 於 2007-5-18 23:05 發表。
& C: Z  E$ V+ T+ L. B+ othe answer is -$97 for sure.
! g) o- Z! j  c! V  Z6 ktvb now,tvbnow,bttvbThink about it this way
/ m* |, U" L8 BTVBNOW 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。1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
6 W  ]( Z7 s9 K" v, V2) Now, the owner discovered that the 100 bucks is fake. You can th ...
3 N) a: U  s( N! j, p+ Utvb now,tvbnow,bttvb公仔箱論壇, V% p9 A1 G, i+ y% m  C

" z5 u# V! Z2 K! S+ p1) very good, it the 100 bucks is real, your answer is correct, but it is fake, so your answer is wrongtvb now,tvbnow,bttvb9 n$ B; H( w+ t& L1 v7 O5 b% ]7 C

) x0 ~5 s0 T' w/ D) M/ N& rTVBNOW 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.+ }+ V; K' k2 u+ C# }) b* h
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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 ???
( q2 {; i7 e' E9 m. V. f2 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。
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& O  K% T. ^, l5 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。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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