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椭圆的一种画法.许兴华数学
Author:
许兴华数学
Topic:
Conic Sections
,
Ellipse
GeoGebra
New Resources
近似值：有效數字
拼砌四邊形
美國國旗 (Claude 版)
長方體平面投影 (Codex版)
畫出對稱圖形
Discover Resources
方格紙上畫平行四邊形4
例子
面積
F1_Ch11.4_判定相似三角形
題 5
Discover Topics
Vectors 2D (Two-Dimensional)
Rhombus
Means
Parallelogram
Derivative