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GeoGebra
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GeoGebra
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弦中點
Author:
薛瑛萱
GeoGebra
New Resources
異分母分數減法
球体的体积推导
兩位數除以一位數（二）
畫出對稱圖形
找出對稱軸
Discover Resources
rainbow
参数曲线
課堂工作紙(二)
Interesting Geometric Theorem
一线三等角模型
Discover Topics
Constructions
Rational Numbers
Cube
Functions
Natural Numbers