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圆的面积展开的副本
Author:
孙鉴
,
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
比較五件物件的重量
第八周作业1
折扣
GeoGebra数学资源(4-8年级)
第八周作业3
Discover Resources
slopefield_rational function
Ex5C#1
雙曲線1--焦點法
線的面化
classifying triangles
Discover Topics
Parallelogram
Bar Chart or Bar Graph
Straight Lines
Poisson Distribution
Curve Sketching