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教学素材:离心率相同的椭圆
Author:
清风拂琴,陌上花开
GeoGebra
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盈利與虧蝕
正方形雪花图案
球体的截面
龙形曲线-分形龙
撒针估算面积实验
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比和比值
讀磅
尤拉線
P6 圓周
扇形面積公式1
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Exponential Functions
Quadratic Functions
Means
Solids or 3D Shapes
Histogram