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“点到直线的距离公式”是解析几何中的重要公式,这个内容的认知过程分析以及由此而进行的教学设计,可以成为数学教师日常教学工作的一个范例.
The “point-to-line distance formula” is an important formula in analytical geometry. The analysis of the cognitive process of this content and the instructional design carried out thereby can be an example of the daily teaching work of mathematics teachers.