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抛物线
Author:
zhuchenglong
GeoGebra
New Resources
盈利與虧蝕
球体的截面
龙形曲线-分形龙2
第八周作业
活动三:应用性质
Discover Resources
行星軌跡
circle
Copy of 平行四邊形
推移(x 方向)的副本
我的第一个GGB绘本
Discover Topics
Rectangle
Division
General Quadrilateral
Means
Pyramid