PREP一道题，讨论里没找到

rock19840717

what is the result when x is rounded to the nearest hundredth

1) when x is rounded to the nearest thousandth the result is 0.455

2) the thousandths digit of x is

请教大家为什么A不可以直接解决呢，一定是要C呢，谢谢大家啦

rock19840717

自己顶一下

无双5844

第一个条件不能确定，举例，因为可以是0.4548或者是0.4552