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波妞jybsn1 · 2017年11月17日

问一道题：NO.PZ2015120604000015 [ CFA I ]

  1. CFA I
  2. Quantitative

问题如下图：

    

选项：

A.

B.

C.

解释：


为什么我算出来是17038.13898？

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已采纳答案

源_品职助教 · 2017年11月19日

哦，找到原因就好，选离你计算答案最近的那个，因为这样的不差不会太大，你的答案应该接近正确选项。

源_品职助教 · 2017年11月17日

按完10/12出现0.8333后还要按ENTER键

波妞jybsn1 · 2017年11月18日

老师，我按完10/12后按了等于号再按I/Y的，我再去看了视频步骤没错，我发现其实是一点点误差，i/y=0.83和i/y=0.83333的误差，因为我分别直接输入这两个i/y数值后就分别出来了这两个数值，那说明是误差造成的。因为我们的计算器都统一设置为6位小数点了，下次再出现这种误差的情况的话是选择选项中与实际算出数字偏差更小的那个吗？

源_品职助教 · 2017年11月17日

我按了下计算器没有问题，你要么是输入错误，要么是计算器设置不正确。

波妞jybsn1 · 2017年11月17日

我刚试了下，iy直接写0.83是出来正确数值，但是iy用10/12按出来就不对，就我之前的数字，为什么？

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