当前的数学教学中,比较注重例、习题的教育功能和发展功能。教师常常要把例、习题做各种变换,延伸成其它形式,即编拟课本变式题,用以激发学生学习的兴趣,提高例、习题的使用价值。但是如何才能使课本变式题编拟得“好”些,真正地促进教学呢?笔者认为应把握以下几个原则。 In current mathematics teaching, the education function and development function of cases and exercises are more emphasized. Teachers often have to make various changes in examples and exercises to extend into other forms, namely to prepare textbook variants to stimulate students’ interest in learning and improve the use of examples and exercises. But what can we do to make textbook variants “good” and really promote teaching? The author believes that the following principles should be mastered.