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公切線長度的計算
Author:
曾己泉
Topic:
Circle
外公切線與內公切線的描述及計算
GeoGebra
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兩組對邊相等的四邊形
GeoGebra笔记功能体验课件
球體建築師
画直线等分三角形的面积
四邉形 (四年級) 教師版
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三角形內角和(SWC)
hihi
分段控制
立体几何
碎形
Discover Topics
Tangent Function
Integral Calculus
Straight Lines
Terms
Similar Triangles