一、自然数的概念的形成大体经历哪几个阶段?自然数的概念的形成大体经历如下四个阶段。第一,自然数的概念的形成是从对有与无、多与少的认识开始的。第二,借助于标准集合来数数。这时,数还是同具体事物的集合紧密联系在一起,把数当 First, the formation of the concept of natural numbers generally go through several stages? The formation of the concept of natural numbers generally go through the following four stages. First, the formation of the concept of natural numbers begins with an understanding of yes and no, more and less. Second, count by means of a standard set. At this time, the number is still closely linked with the collection of specific things, counting the numbers