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圓相切
Author:
一路梁
圓相切
GeoGebra
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斐波那契螺旋弧线(表格法-可动态调节)
盈利與虧蝕
龙形曲线-分形龙2
活动三:应用性质
龙形曲线-分形龙
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拋物線1 焦點法
橢圓1--四圓心近似法
圆的平移(平移加滑桿)
性質三十三_四邊形四邊外接指定條件的平行四邊形
ckt-任意角
Discover Topics
Polygons
Volume
Constructions
Surface
Perimeter