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S4E13镜面的方圆错觉
Author:
杨秀芬
GeoGebra
New Resources
斐波那契螺旋弧线(表格法-可动态调节)
第三周作业效果演示
撒针估算面积实验
折扣
中华人民共和国国旗
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把四邊形分類
circle
旋轉圓
雙曲線2 交點法
任意凸多边形的滚动
Discover Topics
Percentages
Curve Sketching
Polygons
Constructions
Limits