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切線段等長
Author:
謝易達
可移動P點，檢查切線段是否等長
GeoGebra
New Resources
四邉形 (四年級) 教師版
GeoGebra笔记功能体验课件
兩位數加法
球體建築師
兩組對邊相等和有直角的四邊形
Discover Resources
Key stage 1
磁磚著色
二次函數的觀察
題 1
test
Discover Topics
Logarithmic Functions
Geometric Mean
Coordinates
Intersection
Conic Sections