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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
Nested spiral octagon
直角坐標平面上的旋轉變換
Claude 解幾何題
小数 的副本
判斷球體
Discover Resources
賺賠:例2
heart
Task4
直角
正12面體
Discover Topics
Linear Regression
Statistical Characteristics
Similar Triangles
Inequalities
General Quadrilateral