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門格海綿
Author:
吳政憲
GeoGebra
A1={polygon(A,B,C,D)} A2=Join(dilate(A1,1/3,A),dilate(A1,1/3,B),dilate(A1,1/3,C),dilate(A1,1/3,D),dilate(A1,1/3,(A+B)/2),dilate(A1,1/3,(B+C)/2),dilate(A1,1/3,(C+D)/2),dilate(A1,1/3,(D+A)/2))
New Resources
百分數及其應用
盈利與虧蝕
球体的截面
斐波那契螺旋弧线(表格法-可动态调节)
常见四边形是否是双心四边形
Discover Resources
Trajectory of system: y'=ℯ^(sin(y)) - y² + ln(y)
離心率與圓錐曲線
消失的面積(一)
翻轉方塊(雙開)
滾動的圓
Discover Topics
Incircle or Inscribed Circle
Linear Equations
Centroid or Barycenter
Vectors 2D (Two-Dimensional)
Mathematics