在数学中变式指什么?

2025-04-07 12:43:26
推荐回答(2个)
回答(1):

变式通过变换同类事物的非本质特征的表现形式,变更观察事物的角度和方法,从而突出事物的本质特征,突出那些隐蔽的本质要素,让学生在变式中思维,从而掌握事物的本质和规律。
变式是指通过变更对象的非本质特征以突出对象的本质特征而形成的表现形式。是指通过变更对象的本质特征以突出对象的非本质特征,从而显示概念的内涵发生了变化。课题的表述常常把解决课题的特别关键的本质属性“隐蔽”在非本质属性之中,教师在教学时,就得启发学生一步一步从非本质属性中把本质属性揭露出来。这就必须运用变式规律。变式是通过变更对象的非本质特征的表现形式,让学生在变式中思维,从而掌握事物的本质和规L

回答(2):

可以变条件,对条件运算的变化,数值的变化,常量可以变为变量等。也可以变结论(或所求)。就是在方法不变的前提下,对条件或所求,进行不同的的变化,从而掌握多题一解,掌握思维的本质,达到提升思维的目的。

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