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一、本章的教学目的要求 1.明确自然数的产生过程。能从自然数的基数理论与序数理论两个方面理解自然数的意义。明确自然数列的概念、性质及零的意义。掌握用十进制读、写整数的原则与法则。 2.掌握用自然数的基数理论与序数理论分别定义的加法,并理解这两种定义的加法运算最后都可以归结为数数。所以两种定义有着本质上的沟通。掌握整数减法、乘法、
First, the teaching requirements of this chapter 1. Define the process of natural number generation. The meaning of natural number can be understood from two aspects of cardinal number theory and ordinal number theory. Defining the concept, nature, and meaning of the natural sequence. Master the principles and rules of reading and writing integers in decimal. 2. Grasping the additions defined by the cardinal number theory and the ordinal number theory of natural numbers, and understanding that the addition operations of these two definitions can all be summed up as a number. So the two definitions have an essential communication. Mastering integer subtraction, multiplication,