知乎,中文互联网高质量的问答社区和创作者聚集的原创内容平台,于 2011 年 1 月正式上线,以「让人们更好的分享知识、经验和见解,找到自己的解答」为品牌使命。知乎凭借认真、专业. [x]在数学中表示的是什么意思.不大于x的整数。这个是高斯函数,也叫取整函数, [x]是x的整数部分, {x}是x的小数部分。x= [x]+ {x};例如x=1.55。 [x]=1、 {x}=0.55。扩展资料不超过实数x.

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