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星形线-Astroid Curve-with-Envelope Command
Author:
math Ku
Topic:
Curve Sketching
,
Parametric Curves
GeoGebra
New Resources
三位數除以一位數（一）
兩組對邊相等的四邊形
兩位數加法
【案例】2018年全国1卷理科12题
畫出對稱圖形
Discover Resources
線對稱圖形練習2
Introduce tangent ratio
正玄函数变化
三角函数求值 （单位圆、比值）
φ的影响
Discover Topics
Symmetry
Confidence Interval
Prism
Dilation
Tangent Line or Tangent