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An angle problem
Author:
liuzhe821
Topic:
Angles
an angle problem
GeoGebra
New Resources
三位數除以一位數（一）
球體建築師
找出對稱軸
錐體建築師
兩組對邊相等的四邊形
Discover Resources
集合的交集
幂函数演示
圓錐(可改底面圓半徑、錐體高)
认识方程
繪畫四邊形
Discover Topics
Vectors
Division
Circle
Parabola
Pythagoras or Pythagorean Theorem