小学四年级数学：制作四边形4（平行四边形）
2021-08-04 01:45
本 GeoGebra 范例专为小学四年级数学教学设计，动态演示如何通过几何作图构造平行四边形。利用圆、点、旋转、线段、射线和交点等基本几何命令，逐步展示平行四边形的尺规作图过程。范例内置中英文双语切换功能，方便不同语言背景的学生学习。通过交互操作，学生可以直观理解平行四边形的对边平行且相等的性质，掌握基础的几何作图原理与图形变换概念。
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小学四年级数学：制作四边形
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