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圆的有关概念
Author:
孟宝兴
GeoGebra
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四邊形的特性
拼砌四邊形
兩組對邊相等和有直角的四邊形
兩位數除以一位數(二)
找出對稱軸
Discover Resources
正九邊形
端點在兩圓周線段中點軌跡
對數函數1
分點與向量比
关于椭圆的一个性质
Discover Topics
Distributions
Angles
Line Segment
Polygons
Hyperbola