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圆的面积展开的副本
Author:
hong-z
,
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
畫出對稱圖形
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
美國國旗 (Codex 版)
Discover Resources
對數函數
量角器1
加法(粒條)
Copy of 學生自行製作棒形圖
橢圓代數性質,光學性質,生活應用
Discover Topics
Difference and Slope
Sphere
Rhombus
Linear Programming or Linear Optimization
Linear Regression