在数学教学中渗透德育教育一例陈知一（四川渠县中学６３５２００）高二代数第八章第一节是讲数的概念的发展．高中学生学到复数一章时，数的概念的扩张在中学阶段就到此为止了．教材在这一节里简明扼要地对已经学过的数集因生产与科学发展的需要而逐步扩充的过程作了概括... One example of infiltrating moral education in mathematics teaching is Chen Zhiyi (Quxian Middle School 635200). The first section of the eighth chapter of the second generation of algebra is the development of the concept of counting numbers. When high school students learned more than one chapter, the expansion of the concept of number reached the middle school stage. In this section, the textbook summarizes the process of gradually expanding the number of sets that have been learned as a result of the need for production and scientific development...