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GeoGebra
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平面截圆锥
Author:
陈宜红
GeoGebra
New Resources
折扣
撒针估算面积实验
双心四边形
比較五件物件的重量
活动三:应用性质
Discover Resources
Christmas Tree
圓內接四邊形
等差数列计算练习
任務4的副本
桃子Peach
Discover Topics
General Quadrilateral
Definite Integral
Line Segment
Sequences and Series
Differential Calculus