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Author:
陳兪宏
圓
GeoGebra
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算柱 (兩位數)
兩組對邊相等的四邊形
異分母分數減法
找出對稱軸
GeoGebra笔记功能体验课件
Discover Resources
Pappus古定理證明
斯坦納-雷米歐司(Steiner-Lehmus)定理證明一
外心
乘加挑戰題
拋物線 (丹德林球)
Discover Topics
Normal Distribution
Subtraction
Pyramid
Median Value
Differential Equation