兴趣是最好的老师。教师只有善于激发学生对所学知识产生浓厚的学习兴趣,才能达到获取知识,培养数学思维能力,发展智力的目的。兴趣的培养应渗透到每一个教学环节,贯穿 interest is the best teacher. Teachers are only good at motivating students to have a keen interest in learning, in order to achieve the purpose of acquiring knowledge, cultivating mathematical thinking and developing intelligence. The training of interest should permeate every teaching link