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竞猜游戏：说出图中角的大小
Author:
张志勇
Topic:
Angles
GeoGebra
New Resources
画直线等分三角形的面积
第八周作业
兩組對邊相等的四邊形
找出對稱軸
拼砌四邊形
Discover Resources
廣義角的代換(90度加減角度)
glt-c02-00 長方體
滑桿動畫
直線系
物體的平面運動
Discover Topics
Geometric Distribution
Quadratic Functions
Solids or 3D Shapes
Random Variables
Parametric Curves