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勾股定理
Author:
Loi Teng Chong
GeoGebra
New Resources
龙形曲线-分形龙2
平行線的斜率
撒针估算面积实验
盈利與虧蝕
折扣
Discover Resources
圓的面積
緯度、日照、影子長。
Drag the red dots, see the area ratio of EHFG to ABCD
圓與正方形中點軌跡1060317
探索到两定点的距离之积为定值的点的轨迹
Discover Topics
Rotation
Line Segment
Cuboid
Vectors 3D (Three-Dimensional)
Upper and Lower Sum or Riemann Sum