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正态分布
Author:
风亦飞
GeoGebra
New Resources
平行線的判定
斐波那契螺旋弧线(表格法)
常见四边形是否是双心四边形
龙形曲线-分形龙
科赫雪花
Discover Resources
畢氏定理
交錯弓形圓周角
area 面積4
mooc第四讲椭圆反射
黄金螺线与向日葵-朱老师
Discover Topics
Symmetry
Planes
Trapezoid
Volume
Tangent Function