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椭圆面积最值
Author:
学个啥呀
Topic:
Conic Sections
,
Quadratic Equations
GeoGebra
New Resources
長方體平面投影 (Codex版)
畫出對稱圖形
找出對稱軸
球體建築師
Fibonacci Clock
Discover Resources
動態文字多項式函數
圆锥曲线定义的拓展（卡西尼卵形线）
正三角形
xsin(x)
翰林數學_2下_CH3-4_樞紐定理
Discover Topics
Parallelogram
Rotation
Probability
Planes
Square