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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。
New Resources
球體建築師
柱體建築師
找出對稱軸
三位數除以一位數(一)
第八周作业
Discover Resources
Dividing a Trapezium
圓周公式應用題2
斜率
Product_TEST_01
圓的基本性質
Discover Topics
Cone
Vectors 3D (Three-Dimensional)
Solids or 3D Shapes
Perimeter
Square