[計量] 請問如何解這題?
看板GRE (GRE入學考試)作者myhanoitower (America~)時間16年前 (2009/10/01 15:04)推噓1(1推 0噓 2→)留言3則, 2人參與討論串1/2 (看更多)
1. If R is an integer, then R* is equal to R. If R is a non-integer real
number, then R* is equal to one more than the least integer greater than
R. For example, 3*=3 and (0.5)*=2. What is the value of 5*+(-2.1)* ?
(A)2 (B)3 (C)4 (D)5 (E)7 answer is C
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