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椭圆的参数方程
Author:
梁航宇
GeoGebra
New Resources
活动三:应用性质
球体的截面
平行線的判定
异形操场
正方形雪花图案
Discover Resources
構造切線 / construct the tangent line
三心:與三角形形狀的關係
畢氏樹
zentangle
畢氏定理
Discover Topics
Tangent Function
Distributions
Linear Equations
Parametric Curves
Curve Sketching