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二面角
Author:
qianqianhouhou
二面角的概念，拖动A、E点改变半平面
GeoGebra
New Resources
小数 的副本
AI 訓練教室
Earth with coastline
Fibonacci Clock
Nested spiral octagon
Discover Resources
glt-c02-02 四角柱旋轉
Li Shan Lan Cone Pi
面鏡的反射
平移中心
圆在折线上滚动
Discover Topics
Median Line
Pyramid
Tree Diagrams
Geometric Transformations
Exponent