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杨辉三角
Author:
凌云在线
Topic:
Algebra
,
Constructions
,
Plane Figures or Shapes
GeoGebra
New Resources
【案例】2013年安徽高考15题
畫出對稱圖形
兩組對邊相等和有直角的四邊形
找出對稱軸
拼砌四邊形
Discover Resources
橢圓之極偶 / polarity for ellipse
Apollonius Problem gergonne 2
直方图002
正圆锥展开图
移動愛心
Discover Topics
Fractal Geometry
Line Segment
Hypothesis Testing
Cylinder
Complex Numbers