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求切线方程(改进)
Author:
sl z
Topic:
Tangent Line or Tangent
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
球体的体积推导（优化版）
球體建築師
四邉形 (四年級) 教師版
Discover Resources
圓周 (圖形A)
过圆上一点作切线，三步
力的合成
拋物線5--包絡線法
棱柱
Discover Topics
Scalene Triangles
Geometry
LCM and GCD
Linear Functions
Rational Numbers