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內切圓
Author:
楊明德
Topic:
Incircle or Inscribed Circle
GeoGebra
New Resources
异形操场
双心四边形
活动三:应用性质
龙形曲线-分形龙2
GeoGebra数学资源(4-8年级)
Discover Resources
小時鐘
橢圓軌跡04
三年級除法(三):一位數除三位數
正方体展开图
任意角
Discover Topics
Mathematics
Fractal Geometry
Inequalities
Line Segment
Special Points