[X]=0为什么 得出-1<X<=0？

ivydorian

请问下这是什么知识点 有谁知道？  在OG是遇到这些都看不懂了 答案解释说 [-1.1]=-1, [-0.9]=0 有谁知道啊 我急～～～

yiw006

i think you have to look at the question: whether [x] whole number less than X, for example [-1.1]=-1, or a whole number greater than x, for example,  [-1.1]=-1, [-0.9]=0 ----- :]