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1.自然数的产生同学们是否知道,今天我们用得很熟悉的自然数是经过了几千年的演变而形成的. 人类何时有了自然数的概念,最初的数字符号是什么,现在还无法考查.但我们可以通过对几千年前人类生活的猜想中,去推测数的起源.事实上,数(shu)的概念发源于数东西的数(shu).在原始社会里,人们为了满足生活的需要,要考虑人数、工具和收获物的多少.例如当人们打猎回
1. The generation of natural numbers Whether or not the students know that the natural numbers that we are familiar with today are formed after thousands of years of evolution. When did humans have the concept of natural numbers, what was the initial number sign and could not be examined now? But we can speculate on the origin of numbers by conjecturing human life thousands of years ago. In fact, the concept of number (shu) originates from the number of things (shu). In primitive society, people live in order to satisfy life. Need to consider how many people, tools and harvests. For example when people are hunting back