对差错认识的深度决定我们化错的角度,对差错认识的高度决定我们化错的温度。差错几乎每天伴随着我们,既有学生的,也有教师的。学生的差错往往和理解角度、审题习惯、计算能力等相关;而教师的差错,往往和经验相关。面对这样一道练习题(下图),我鼓励学生用多种方法解决。少顷,教室里热闹了起 The depth of understanding of the error determines our wrong point of view, the height of the error determines our error temperature. The mistakes come with us almost every day, both students and teachers. Students ’mistakes tend to be related to understanding perspectives, exam topics habits, computing abilities, etc. Teachers’ mistakes are often related to experience. In the face of such an exercise (below), I encourage students to use a variety of methods to solve them. A little while, the classroom was busy