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四边形面积最大
Author:
李莹
GeoGebra
New Resources
活动三:应用性质
第八周作业1
椭圆内切圆链
小学资源收集
折扣
Discover Resources
Drawing quadrilaterals on the grid or the pinboard
線性組合2: 三角形
Copy of 固定周界的長方形的面積變化
計算
物體的平面運動
Discover Topics
Geometry
Exponential Functions
Sphere
Rotation
Distributions