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椭圆的定义
Author:
guomenglin
Topic:
Ellipse
GeoGebra
New Resources
直角坐標平面上的旋轉變換
【案例】2018年全国1卷理科12题
判斷球體
算柱 (兩位數)
四邉形 (四年級) 教師版
Discover Resources
生活中的平面圖形─圓的性質
橢圓的定義
正多面體
勝者即正義,可愛即正義~(可用Ctrl+滑鼠滾輪放大界面)
图形动画3
Discover Topics
Diagrams
Pythagoras or Pythagorean Theorem
Normal Distribution
Distributions
Upper and Lower Sum or Riemann Sum