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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
球體建築師
找出對稱軸
拼砌四邊形
兩組對邊相等的四邊形
國旗 (Claude 版)
Discover Resources
南瓜趣臉
聖路易拱門
ycps4a1
简谐振动函数图像的副本
三年級除法(四):一位數除三位數
Discover Topics
Similarity Transformation or Similarity
Binomial Distribution
Fractal Geometry
Diagrams
Stochastic Process or Random Process