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圆的面积展开的副本
Author:
tang
,
qianqianhouhou
拖动n分圆,拖动展开展开圆,拖动拼图拼成长方形。
GeoGebra
通过上面操作请推导圆的面积公式。
New Resources
Earth with coastline
直角坐標平面上的旋轉變換
伊朗國旗 (Codex╱2026.10.07)
算柱 (兩位數)
世界平面地圖 (Codex╱2026.10.07)
Discover Resources
三角函數
連鎖法則 (Chain Rule)
Copy of Finding the H.C.F. and the L.C.M.
正圆锥展开图
模拟时钟
Discover Topics
Differential Equation
Median Line
Expected Value
Natural Numbers
Pythagoras or Pythagorean Theorem