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正三角形的旋轉
Author:
李春培
正三角形的旋轉
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
找出對稱軸
兩位數除以一位數(二)
算柱 (兩位數)
四邉形 (四年級) 教師版
Discover Resources
內次擺線
Circumcentre
随机模拟实验(撒豆子估算π)的副本
椭圆的中点弦的轨迹.许兴华数学
曲線所圍區域的面積 (The Area between Curves)
Discover Topics
Geometric Transformations
Plane Figures or Shapes
Volume
Circle
Piecewise Functions