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各種切圓
Author:
dunst kang
GeoGebra
New Resources
椭圆内切圆链
折扣
活动三:应用性质
双心四边形
斐波那契螺旋弧线(表格法-可动态调节)
Discover Resources
Catenoid
sine graph (reduce to 1/2 and then translate leftward by 15 degree)
學習活動五之一在解區域中由平行線法找出極值
拋物線4-平行四邊形法
三角形的四心-五線-內外二圓的副本
Discover Topics
Set Theory
Tangent Line or Tangent
Perimeter
Natural Numbers
Combinatorics