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天天向上 · 2018年09月28日

问一道题：NO.PZ2016010802000206 [ CFA I ]

  1. CFA I
  2. Economics Analysis

问题如下图：

选项：

A.

B.

C.

解释：

我的理解：原来1.45x/1y,后来y升值，所以是1.45x/0.92y

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答疑助手丽丽 · 2018年09月30日

同学，我没怎么看懂你的0.92是怎么来的？

这道题的表达形式可写成  a X/Y, 这个表示的意思就是1个Y可以换a个X，现在题目中说base currency上升到8%,也就是Y上升了，那么表达形式就为 （1+8%）a   X/Y, 此时（1+8%）a =1.45

 

粉红豹 · 2018年10月12日

为什么最后一步不是 a X/ （1+8%）Y ，然后就是 a/1.08=1.45，所以 a = 1.45*1.08 = C选项？？

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