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三角形全等条件数学活动1
Author:
taoyfa
GeoGebra
New Resources
找出對稱軸
画直线等分三角形的面积
兩組對邊相等和有直角的四邊形
GeoGebra笔记功能体验课件
畫出對稱圖形
Discover Resources
弦中點的軌跡
moon1
垂心
拋物線4-平行四邊形法
我的第一个GGB绘本
Discover Topics
Parametric Curves
General Quadrilateral
Planes
Multiplication
Triangles