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内外弦图
Author:
Xuzhengming80970079
GeoGebra
New Resources
活动三：应用性质
三角函数 的副本
异形操场
斐波那契螺旋弧线（表格法-可动态调节）
盈利與虧蝕
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No.2
虎牙
圆锥的侧面展开图3D动画的副本
原子模型
Strike and Dip 地層的走向與傾角的副本
Discover Topics
Tangent Function
Circumcircle or Circumscribed Circle
Cone
LCM and GCD
Conic Sections