求教: If [X] denotes the greatest integer less than or equal to X, is [X]=0?

AlohaDJ · 发表于 2010-12-26 03:09:37

RT（OG12 DS部分#100）
It can be observed that the condition [X]=0 is equivalent to 0<=X<1.

看不懂这是什么意思,恳请指教！多谢！

sdcar2010 · 发表于 2010-12-26 03:42:34

If [X] denotes the greatest integer less than or equal to X means
If X = 1.01, then [X]=1. If X =100.01, [100.1]=100. If X =0.5, then [X] = 0. If X = 0, then [X] = 0. If X = 1, then [X] = 1.
If X = -1.01, then [-1.01] = -2. If X =-0.05, [-0.05] = -1

So if [X] = 0, then 0<=X<1

AlohaDJ · 发表于 2010-12-26 03:55:51

多谢LS的清楚解释！终于明白在说什么了..
Thanks a lot.

求教: If [X] denotes the greatest integer less than or equal to X, is [X]=0?

所属分类: GMAT考试

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