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椭圆两个焦点与椭圆上点的连线
Author:
孟宝兴
椭圆两个焦点与椭圆上点的连线
GeoGebra
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比較五件物件的重量
双心四边形
龙形曲线-分形龙2
活动三:应用性质
第三周作业效果演示
Discover Resources
三角函數圖形(全)
廣義角的代換(90度加減角度)
圓內一點
兩圖形中點軌跡(1060724)
勾股定理证明2
Discover Topics
Logarithmic Functions
Quadrilaterals
Probability
Natural Numbers
Linear Programming or Linear Optimization