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矩形周长一定时正方形面积最大
Author:
卢德洪
Topic:
Area
,
Perimeter
,
Rectangle
GeoGebra
New Resources
折扣
第八周作业
三角函数 的副本
百分數及其應用
撒针估算面积实验
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黎曼和
試算表應用
Angles formed by two straight lines and transversal
面積 題目3
人教版初中数学教材案例GeoGebra制作系列教程（七年级下册）1-对顶角和邻补角的性质探究
Discover Topics
Upper and Lower Sum or Riemann Sum
LCM and GCD
Parallelogram
Square
Arithmetic