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外公切線段長求法
Author:
謝易達
GeoGebra
New Resources
GeoGebra笔记功能体验课件
球体的体积推导
兩位數除以一位數（一）
兩位數除以一位數（二）
兩組對邊相等和有直角的四邊形
Discover Resources
Introduce tangent ratio
trigonometry1
圓上的角任務(一): 提示卡(二)
圓周公式應用題2的副本
轨迹最值问题
Discover Topics
Trapezoid
Natural Numbers
Quadrilaterals
Algebra
Bar Chart or Bar Graph