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探究余弦定理
Author:
john arnold
请大家拖动B点，观察当角ACB发生变化时，面积的大小关系是如何变化的
GeoGebra
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讀磅
圓的基本性質
斜率的值
直線的斜率
百分數及其應用
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Platonic Solids 柏拉圖立體
GeoGebra的認識與安裝
All you need is
Net of cylinder
线性相关系数
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Random Experiments
Solids or 3D Shapes
Congruence
Mode
Interest Calculation