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Question 4
Author:
Shum Kwok Ching
,
GeoGebra Institute of Hong Kong
Topic:
Area
GeoGebra
New Resources
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
找出對稱軸
兩位數加法
球体的体积推导（优化版）
Discover Resources
正方體的表面積
斯霍滕(Schooten)定理(與角平分線定理等價)
椭圆内光线的反射
函数的单调性和导数的副本
七下数学案例教程2-对顶角和邻补角例题
Discover Topics
Sine
Dilation
Normal Distribution
Step Functions
Variance