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圆锥的侧面展开图3D动画的副本
Author:
吉顺国
拖动点C
圆锥的侧面展开图是三角形吗?
New Resources
【案例】圆柱体内放置一个大球六个小球
三位數除以一位數(一)
錐體建築師
四邊形的特性
球体的体积推导(优化版)
Discover Resources
兩圓的位置關係
九點圓
Apollonius Problem 10 CCC poncelet
扇形面積公式2
φ的影响
Discover Topics
Tangent Function
Vectors 2D (Two-Dimensional)
Means
Expected Value
Matrices