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GeoGebra
GeoGebra Classroom
GeoGebra
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可拖动A、B 改变形状
Author:
孟宝兴
GeoGebra
New Resources
近似值：有效數字
找出對稱軸
第八周作业
Nested spiral octagon
兩組對邊相等和有直角的四邊形
Discover Resources
过圆上一点作切线，三步
正五角錐(可以旋轉， 顯示邊， 選擇透視)
高中二年級向量的副本
角的介紹 | Introduction to Angles
开关灯游戏
Discover Topics
Random Variables
Circumcircle or Circumscribed Circle
Mode
Normal Distribution
Orthocenter