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看板Economics (經濟學)作者 (月藍)時間7年前 (2017/12/20 22:17), 編輯推噓1(100)
留言1則, 1人參與, 7年前最新討論串1/1
題目:https://goo.gl/XZz4T3 Refer to Figure 3-8. If the production possibilities frontiers shown are each for one day of production, then which of the following combinations of coffee and soybeans could Chile and Colombia together make in a given day? A. 4 pounds of coffee and 16 pounds of soybeans B. 8 pounds of coffee and 15 pounds of soybeans C. 16 pounds of coffee and 10 pounds of soybeans D. 24 pounds of coffee and 4 pounds of soybeans 我的想法: 當初是想說,將兩個直線方程式合併後,得到新的方程式 再將選項的數字代入驗證是不是正確的答案,但一直找不 到方法做,問友人也只知道答案用湊的出來是A,好苦惱 求版上的大大為我解答QQ -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 59.120.67.239 ※ 文章網址: https://www.ptt.cc/bbs/Economics/M.1513779430.A.25D.html

12/21 01:05, 7年前 , 1F
題目出錯吧
12/21 01:05, 1F
文章代碼(AID): #1QEd3c9T (Economics)
文章代碼(AID): #1QEd3c9T (Economics)