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多边形绕圆滚动
Author:
朱亮
GeoGebra
New Resources
龙形曲线-分形龙2
平行線的判定
比較五件物件的重量
第八周作业1
盈利與虧蝕
Discover Resources
平行四邊形
正三角形
正三角形
橢圓練習
圆的面积展开的副本
Discover Topics
Difference and Slope
Parabola
Square
Intersection
Function Graph