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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
球体的体积推导
讀磅
異分母分數減法
第八周作业
三位數除以一位數(一)
Discover Resources
四心的變化II
Geometric Circle
圓上圓
熊大
牛頓法 (Newton's Method)的副本
Discover Topics
Logarithm
Exponent
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Cuboid
Integers