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椭圆的参数方程的副本
Author:
xiaodandan
,
梁航宇
GeoGebra
New Resources
兩位數除以一位數（一）
找出對稱軸
兩組對邊相等的四邊形
拼砌四邊形
四邊形的特性
Discover Resources
廣義角的代換(90度加減角度)
GGB研習成果01
Remove a data
正立方體裁邊 (Chamfered Cube)
拋物線2--焦點法
Discover Topics
Hypothesis Testing
Vectors 3D (Three-Dimensional)
Plane Figures or Shapes
Straight Lines
Pythagoras or Pythagorean Theorem