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椭圆的一种简单画法.许兴华数学
Author:
许兴华数学
Topic:
Conic Sections
GeoGebra
New Resources
美國國旗 (Claude 版)
畫出對稱圖形
算柱 (兩位數)
近似值：有效數字
第八周作业
Discover Resources
Length of Horizontal or Vertical Line Segments 水平或鉛垂線段的長度
CalCulus
簡易的迷宮
圓的展開partI
題一
Discover Topics
Translation
Dilation
Terms
Kite
Logic