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椭圆的两条垂直切线的交点轨迹 蒙日圆
Author:
冯伟冀
,
istone
Topic:
Ellipse
,
Geometric Transformations
GeoGebra
New Resources
双心四边形
第三周作业效果演示
平行線的判定
第八周作业3
龙形曲线-分形龙
Discover Resources
Trigonometric Ratios: Sine 三角比:正弦
優良作品1(昀潔)
圓內接四邊形--預習工作紙
差的积分
双曲线的参数方程的副本
Discover Topics
Plane Figures or Shapes
Function Graph
Quadrilaterals
Special Points
Percentages