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圆的面积展开的副本
Author:
萧若茂
,
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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近似值:有效數字
sanjiaohanshu
判斷球體
兩組對邊相等的四邊形
畫出對稱圖形
Discover Resources
畫三角形 題1c
特製的門 2
優良作品2
畢氏定理證明
曲柄搖桿
Discover Topics
Geometric Distribution
Similar Triangles
Limits
Equilateral Triangles
Trigonometry