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椭圆的一种简单画法.许兴华数学
Author:
许兴华数学
Topic:
Conic Sections
GeoGebra
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科赫雪花
双心四边形
斐波那契螺旋弧线(表格法)
球体的截面
龙形曲线-分形龙
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平面方程式與法向量
Angle Sum of Triangle
圓形
HKDSE 2016 by Mr LO WY
葫蘆裡賣什麼藥
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Piecewise Functions
Cuboid
Volume
Quadratic Functions
Cube