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动点到两定点距离的探索 的副本
Author:
王玉霞
GeoGebra
New Resources
球體建築師
画直线等分三角形的面积
兩位數加法
柱體建築師
【案例】圆柱体内放置一个大球六个小球
Discover Resources
拋物線(開口向上)
三角形三內角和
折扣 例1的副本
F4_Ch9.1 任意角的三角比
小五_近似值
Discover Topics
Vectors 3D (Three-Dimensional)
Complex Numbers
Rectangle
Orthocenter
Curve Sketching