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Shen Kuo Frustum
Author:
tkyggb
GeoGebra
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撒针估算面积实验
折扣
龙形曲线-分形龙
三角函数 的副本
常见四边形是否是双心四边形
Discover Resources
quadrilaterals 6
等腰三角形
拋物線與直線關係
垂心
S6G2用随机法来估算圆周率Pi
Discover Topics
Median Line
Frequency Distribution
Sphere
Unit Circle
Limits