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利用尺規作圖找橢圓長短軸
Author:
mathguo
GeoGebra
New Resources
科氏力 (Coriolis Force)
异形操场
龙形曲线-分形龙2
三角函数 的副本
第八周作业1
Discover Resources
方格紙上畫正方形4
數的組合 (簡易)
三角形的邊長關係
afdsfsdfds
六上：圆的面积公式推导
Discover Topics
Surface
Percentages
Plane Figures or Shapes
Parametric Curves
Trapezoid