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和直线和圆同时相切的圆
Author:
冯伟冀
Topic:
Conic Sections
,
Geometry
,
Parabola
GeoGebra
New Resources
三位數除以一位數（二）
四邉形 (四年級) 教師版
拼砌四邊形
判斷球體
兩組對邊相等和有直角的四邊形
Discover Resources
樞紐內容
任兩正方形重組成一大正方形partII
p04 equidistant from two points
正n邊形與圓上點的中點軌跡(解析)
Hamid Naderi Yeganeh segment1
Discover Topics
Right Triangles
Scalene Triangles
Statistics
Polynomial Functions
Pyramid