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切线
Author:
素贞 许
Topic:
Tangent Line or Tangent
GeoGebra
New Resources
兩位數除以一位數（一）
兩位數除以一位數（二）
三位數除以一位數（一）
兩組對邊相等和有直角的四邊形
找出對稱軸
Discover Resources
分數除法
矮額 太空喔
禪繞畫
五棱柱
单叶双曲面-双叶双曲面
Discover Topics
Probability
Symmetry
Dilation
Circumcircle or Circumscribed Circle
Function Graph