If d = 2.0453 and d* is the decimal obtained by rounding d to the nearest hundredth, what is the value of d*- d ?


-0.0053

-0.0003

0.0007

0.0047

0.0153

考题讲解

题目分析:

d*是四舍五入到 d 的百分位,d*=2.05. d*  - d=2.05-2.0453=0.0047.

 综上:答案就是 D。


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