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梯形的高
Author:
鍾文欽
Topic:
Trapezoid
GeoGebra
New Resources
活动三：应用性质
双心四边形
斐波那契螺旋弧线（表格法-可动态调节）
平行線的判定
撒针估算面积实验
Discover Resources
拋物線頂點軌跡圖
垂心即內心
立體圖形
Properties of a Rhombus
二次函數中常數項所扮演的角色：向上移動的副本
Discover Topics
Coordinates
Rotation
Symmetry
Hypergeometric Distribution
Logarithm