所谓变式,就是通过变更对象的非本质特征而形成的表现形式。变更人们观察事物的角度或方法,以突出对象的本质特征,突出那些隐蔽的本质要素。所谓变式教学,就是指教师有目的、有计划地对命题进行合理的转化。即教师可不断更换命题中的非本质特征;变换问题中的条件或结论;转换问题的 The so-called variant is a manifestation formed by changing the non-essential characteristics of an object. Change the perspective or method of people’s observation of things to highlight the essential characteristics of objects, highlighting those hidden essential elements. The so-called variant teaching refers to the teacher’s rational transformation of the proposition in a purposeful and planned way. That is, teachers can constantly change the non-essential features of the proposition; change the conditions or conclusions in the problem;