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197 is the right answer.
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Reason,
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1. $18 costs on Item   = -$18
3 g: w/ g) l$ ]* c2. got $100 fake, (no income) , layout $79, = -$79
- V9 L: [: h; _# j5 r+ Y% [公仔箱論壇3. pay back to $100 to that vendor whom exchange  fake $100 here -$100
3 G* r5 _' e- `  V% o2 zos.tvboxnow.com) w2 H+ \3 S( S) a: ~0 q
Therefore, totally, 18+79+100 = 197   
是不是118呢,输了100元跟一件成本18元的礼物
197
118
Thx
200
97 dollars
97
thx.................
97
let see see
197
O.o what is answer?
O.o what is answer?
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原帖由 wwk6002 於 2007-5-5 22:53 發表。
" N( u5 C* S- \1 X" [公仔箱論壇請答197的人想清楚!
( H8 I: o: f5 p1 L/ d老闆用假的一百蚊(之後還返張真的一百蚊),換了真的一百蚊零錢,
) v  @! P6 `5 E* A即係話只係用左一百蚊,就換黎真的一百蚊零錢,然後比左其中79蚊比買野條友,佢自己仲有21蚊,) Y# S8 m, X0 Y. f
用左一百蚊,剩返21蚊,所以蝕了79蚊,還有貨品(成本1 ...
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os.tvboxnow.com2 P2 X: S4 k: d$ {1 c1 c
tvb now,tvbnow,bttvb  F' q: C. R7 c8 ?" I
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
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