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圆的面积展开的副本
Author:
于佳欣
,
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
【案例】2018年全国1卷理科12题
柱體建築師
sanjiaohanshu
畫出對稱圖形
球體建築師
Discover Resources
Rotational Symmetry - Octahedron
艾雪鑲嵌
畢氏定理的副本
圆的面积展开的副本
Collatz Conjecture 考拉兹猜想
Discover Topics
Geometric Transformations
Correlation
Cylinder
Median Value
Inequalities