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切线
Author:
素贞 许
Topic:
Tangent Line or Tangent
GeoGebra
New Resources
算柱 (兩位數)
直角坐標平面上的旋轉變換
兩位數除以一位數（二）
柱體建築師
四邉形 (四年級) 教師版
Discover Resources
圓繞圓
貝氏曲線 (Bezier Curve)
How to draw a pentagon with ruler and compasses?
展開圓面積 (講義版)的副本
椭圆的离心率
Discover Topics
Straight Lines
Exponent
Incircle or Inscribed Circle
Confidence Interval
Cuboid