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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。
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New Resources
画直线等分三角形的面积
找出對稱軸
異分母分數減法
畫出對稱圖形
【案例】2018年全国1卷理科12题
Discover Resources
阿基米德(5,6,6)
以面積固定平行線軌跡
Addition / Subtraction of 3 Directed Numbers
畢氏定理實作
四角柱體(長方體)的截面
Discover Topics
Correlation
Polynomial Functions
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Intersection
Cuboid