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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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四邉形 (四年級) 教師版
國旗 (Claude 版)
兩組對邊相等的四邊形
直角坐標平面上的旋轉變換
畫出對稱圖形
Discover Resources
task4
乘法
Quiz on Simplifying Ratios 比的化簡:測驗
猴子攀樹
切線 (The Tangent Line)
Discover Topics
Stochastic Process or Random Process
Standard Deviation
Geometric Mean
Hyperbola
Differential Calculus