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椭圆的中点弦的轨迹.许兴华数学
Author:
许兴华数学
Topic:
Conic Sections
GeoGebra
New Resources
球体的截面
平行線的判定
龙形曲线-分形龙2
斐波那契螺旋弧线(表格法-可动态调节)
第八周作业3
Discover Resources
龍騰4_1-1課例5
Locus of a vertex of equilateral triangle
交換律
從平均數找數列中的其中一項數據(活動)
二重积分的计算-截面法求体积
Discover Topics
Scalene Triangles
Geometry
Correlation
Quadratic Equations
Planes