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三角形的三个旁切圆.许兴华数学
Author:
许兴华数学
Topic:
Circle
,
Triangles
GeoGebra
New Resources
活动三:应用性质
异形操场
正方形雪花图案
镂空正方体案例对比
龙形曲线-分形龙
Discover Resources
二項分佈
Question 9
放缩尺
蜘蛛網
尺规作图
Discover Topics
Indefinite Integral
Means
Variance
Percentages
Conditional Probability