[計量] 請問如何解這題?

看板GRE (GRE入學考試)作者 (America~)時間16年前 (2009/10/01 15:04), 編輯推噓1(102)
留言3則, 2人參與, 最新討論串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 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 140.109.19.81

10/01 15:09, , 1F
0.5變1再one more變2 -2.1變-2再one more變-1
10/01 15:09, 1F

10/01 15:10, , 2F
不知道這樣看不看的懂 連我都有點看不懂我寫的...
10/01 15:10, 2F

10/01 15:37, , 3F
我終於了解了~ 很感謝^^
10/01 15:37, 3F
文章代碼(AID): #1An5HyzU (GRE)
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文章代碼(AID): #1An5HyzU (GRE)