[主持人按如何提高高考数学复习课的效率,是每一个高三教师关心的重大课题.一题多变,一题多解,多题归一则是我国数学教学的一个优良传统.彭老师由此联想到选择、改编一些形式新颖又具代表性的例题为教学的素材,又以传统的“一题多变,一题多解,多题归一”为教学的手段,以培养学 [How to improve the efficiency of the mathematics review class in the college entrance examination is a major topic that every senior high school teacher cares about. One item is changeable, one item has multiple solutions, and one item is one of the fine traditions of mathematics teaching in our country. This is associated with the selection and adaptation of some new and representative examples of materials for teaching, and the traditional “variation of a question, multiple interpretations of one question, and multiple questions,” as a means of teaching to foster education.