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教学素材：双曲线参数方程与渐近线
Author:
清风拂琴，陌上花开
GeoGebra
New Resources
中华人民共和国国旗
比較五件物件的重量
科赫雪花
活动三：应用性质
百分數及其應用
Discover Resources
conjugate
Viviani's curve
y=a(x-h)²+k的副本
简谐振动函数图像
多边形向量序列
Discover Topics
Means
Surface
Orthocenter
Coordinates
Probability