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变化的三角形的旁心.许兴华数学
Author:
许兴华数学
Topic:
Geometric Transformations
,
Triangles
GeoGebra
New Resources
第八周作业
【案例】圆柱体内放置一个大球六个小球
拼砌四邊形
錐體建築師
異分母分數減法
Discover Resources
電子幾何條
seq,tra
二項分佈的副本
初中数学教学素材
旋转的线段组成面
Discover Topics
Hypothesis Testing
Real Numbers
Means
Quadratic Functions
Equilateral Triangles