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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
異分母分數減法
算柱 (兩位數)
拼砌四邊形
畫出對稱圖形
兩組對邊相等和有直角的四邊形
Discover Resources
ex 3
三角測量01
Copy of 分數認識
兩直線的銳夾角
函數的面積 (黎曼和) 的複本
Discover Topics
Logarithmic Functions
Numbers
Polynomial Functions
Vectors 3D (Three-Dimensional)
Quadrilaterals