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soccer(final)
Author:
kurt lan
GeoGebra
New Resources
多邊形的面積
探究三角形的全等條件
讀磅
空间中两直线的位置关系
百分數及其應用
Discover Resources
電子幾何條（2014）
M2: disc/shell
圓周
捷徑問題
一次函数的副本
Discover Topics
Linear Functions
Geometric Distribution
Parametric Curves
Rotation
Arithmetic Mean