反比例函数值大小比较(基于点的几何演示)
2022-03-23 00:29
本GeoGebra数学范例旨在通过几何作图直观演示反比例函数值的大小比较。利用点(Point)、交点(Intersect)和线段(Segment)等命令,在反比例函数图像上构造特定的点,并通过比较这些点的坐标位置来判定函数值的大小关系。范例中还结合了向量(Vector)、镜像(Mirror)和文本(Text)工具,动态展示不同自变量对应的函数值变化,帮助学生深入理解反比例函数的单调性与图像特征。
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