为了应付各级各类的考试,中学数学课堂教学一般比较重视数学技能的训练,即使在新授课上老师对新知识的讲授总是一带而过,很快便进入讲例题、做练习阶段.可见,“精讲多练”已成为数学课堂教学的主要形 In order to cope with all kinds of examinations at all levels, the mathematics teaching in middle school generally places more emphasis on the training of math skills. Even in the new lectures, teachers often give new knowledge to teachers and quickly enter the examples and do exercises. , “Serious practice” has become the main form of mathematics classroom teaching