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Author:
李春培
GeoGebra
New Resources
畫出對稱圖形
直角坐標平面上的旋轉變換
Claude 解幾何題
找出對稱軸
長方體平面投影 (Codex版)
Discover Resources
題五
speed
生活中的平面圖形關係─平分
半椭圆面积的定积分动态演示.许兴华数学
撒针估算面积实验
Discover Topics
Vectors 2D (Two-Dimensional)
Parallelogram
Pythagoras or Pythagorean Theorem
Equilateral Triangles
Arithmetic