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撒针估算面积实验
Author:
孟宝兴
GeoGebra
New Resources
算柱 (兩位數)
找出對稱軸
小数 的副本
兩位數除以一位數（一）
【案例】2018年全国1卷理科12题
Discover Resources
Equation of Locus of a Point Equidistant from Two Points 軌跡方程：與兩點保持等距
梯形面積---麥田圈
題3
橢圓包絡線
七下数学案例教程2-对顶角和邻补角例题
Discover Topics
Hypergeometric Distribution
Vectors 3D (Three-Dimensional)
Expected Value
Upper and Lower Sum or Riemann Sum
Unit Circle