Blanc 發表於 2020-6-18 07:11:37

suppose the demand and supply functions for a certain goods are given by:

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  10.5
  9.0
  6.0
  4.5


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紀廷諭 發表於 2020-6-18 10:57:46

答案是  9.0
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查看完整版本: suppose the demand and supply functions for a certain goods are given by: