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变化的三角形的内心.许兴华数学
Author:
许兴华数学
Topic:
Incircle or Inscribed Circle
,
Triangles
GeoGebra
New Resources
撒针估算面积实验
比較五件物件的重量
科赫雪花
龙形曲线-分形龙2
第八周作业3
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Testing
橢圓旋轉
光的折射
雙曲線3 等軸法
相似双子模型(任意三角形)
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Cosine
Percentages
LCM and GCD
Logic
Root