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圓外切四邊形（展示可推廣到凹多邊形）
Author:
Gideon Huang
Topic:
Geometry
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
判斷球體
AI 訓練教室
近似值：有效數字
Discover Resources
銀杏葉
正12面體內的正四面體製作
自由落体
江苏省对口单招2014年高考数学卷 立体几何
dingding_test
Discover Topics
Logarithm
Tree Diagrams
Means
Curve Sketching
Poisson Distribution