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三角形的外心
Author:
侯杰材
GeoGebra
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【案例】2018年全国1卷理科12题
画直线等分三角形的面积
柱體建築師
拼砌四邊形
GeoGebra笔记功能体验课件
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教學－橫切面
Similar triangles
Question 1
選擇合適的「單位」
平面向量基本定理
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Quadratic Equations
Reflection
Kite
Geometric Distribution
Means