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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
算柱 (兩位數)
判斷球體
拼砌四邊形
近似值:有效數字
兩組對邊相等和有直角的四邊形
Discover Resources
Conic Sections
旋轉動畫
圓形墊圈 (Washer) 2
ghk106a18 三角形的外心與正方形
Copy of 軸對稱
Discover Topics
Conic Sections
Parametric Curves
Trigonometric Functions
Volume
Expected Value