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三角形ㄛ
Author:
jolin219984
內心、重心、外心、垂心
GeoGebra
嗯
New Resources
球体的体积推导（优化版）
兩組對邊相等和有直角的四邊形
GeoGebra笔记功能体验课件
柱體建築師
兩位數加法
Discover Resources
電子幾何條
T2 Geobra
爱心
三角形的构成的副本
以多維度解釋標準差
Discover Topics
Isosceles Triangles
Rotation
Correlation
Reflection
Statistical Characteristics