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探究平行四邊形面積(3)new
Author:
Ms Wong
GeoGebra
New Resources
常见四边形是否是双心四边形
第八周作业2
第三周作业效果演示
百分數及其應用
活动三：应用性质
Discover Resources
下和與上和
JAY三角
函數愛心
圓心至弦的垂直平分線
动点最值&旋转&椭圆模型
Discover Topics
Orthocenter
Polynomial Functions
Angles
Vectors 3D (Three-Dimensional)
Rotation