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Author:
肖昆明
GeoGebra
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盈利與虧蝕
百分數及其應用
椭圆内切圆链
异形操场
龙形曲线-分形龙
Discover Resources
testokokok
圓柱截痕
兩點長度
圓例4
推移(y 方向)的副本
Discover Topics
Centroid or Barycenter
Reflection
Probability
Isosceles Triangles
Inequalities