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100块呀~~~
197... wat is the answer?
3 v* G. V4 H+ I/ {# Y公仔箱論壇公仔箱論壇+ o* f7 z; C. f$ `  ~  W& A
boss's loss:
) |6 f7 q6 ^/ o* S8 n, `100 return to neighbour
5 D( a% V; V9 p79 return to buyertvb now,tvbnow,bttvb- Q( V3 f& [0 v) ^) m
18 cost of product
, N- R+ C' A' b% i( Stvb now,tvbnow,bttvb= 197
197
y 97 R??????
197
97...
97蚊
100+79+18
197????
100(cash)+18(cost)
100(cash)+97(change)+18(cost)+3(profit)
197 or 200
197-200
200-197
Thank you
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