Re: [考題] 102高考經濟學:－2016徵求年菜推薦網路訂購最紅的商家.年菜訂購?台北年菜外送餐廳推薦(年菜)?年菜.今年不想做年菜推薦,網路宅配哪一家好?

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批踢踢實業坊 Examination 板

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Re: [考題] 102高考經濟學

Oct 1st 2013, 14:20, by lingpxs

作者lingpxs (Kelly Lin)

看板Examination

標題Re: [考題] 102高考經濟學

時間Tue Oct 1 14:20:37 2013

例如四種商品 (三種物品 + 貨幣) 1. 利用貨幣產生相對價值三種物品所對應的貨幣價值有三種所以是N-1 2. 利用物物交易(貨幣也算商品) 四種商品相互間的關係數每個商品對其他商品有 N-1個關係又有N個商品所以關係有N * (N-1)組又因A對B 等於 B對A 所以要去除重複等於(N * (N-1))/2 降可以嗎? ※ 引述《bruceccc (返回..........)》之銘言： : [考題] 國考歷屆考題與考題觀念討論(書裡看到的選這個)請附上想法、出處 : 23 如果世界上有 N種商品（包括貨幣），利用貨幣和物物 : 交易所產生的相對價格，分別為多少？ : (A)N個；N(N-1)個 : (B)N-1 個；N(N-1)個 : (C)N-1 個；N(N-1)/2個 : (D)N(N-1)個；2N(N-1)個 : 答案c : 這題看了好久 : 還是看不出來 : 想請教板上高手解答 : 謝謝 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 111.253.156.229

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