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GeoGebra
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3-6-01
Author:
Tzuen Hsu
GeoGebra
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祖冲之的期望：内棋与外棋
探究三角形的全等條件
球体的体积推导（优化版）
直線的斜率
多邊形的面積
Discover Resources
Travel Graph 行程圖
垂心與垂線
What's wrong
a sin(bx+c) + d 的圖形的副本
面积平分线
Discover Topics
Limits
Cosine
Piecewise Functions
Area
Trapezoid