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邊長與三角形（一） 的複本
Author:
Tony Cheng
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
找出對稱軸
判斷球體
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
GeoGebra笔记功能体验课件
Discover Resources
類正五邊形摺法
Math
直線與平面關係
k-ko-
第一个绘本
Discover Topics
Constructions
Rhombus
Trapezium
Circle
Scatter Plot