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运动变化的二次函数图象.许兴华数学
Author:
许兴华数学
Topic:
Quadratic Functions
GeoGebra
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GeoGebra数学资源(4-8年级)
比較五件物件的重量
斐波那契螺旋弧线(表格法-可动态调节)
撒针估算面积实验
第八周作业2
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angle sum of triangle
Parabola_Horizontal
拋物線3--平行四邊形法
圆锥截面为圆椭圆双曲线抛物线的动画显示.许兴华数学
正四面體碎形
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Constructions
Real Numbers
Poisson Distribution
Geometric Mean
Triangles