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Polygonal numbers
Author:
Tung Chao
Topic:
Numbers
Use triangular and square numbers to investigate number patterns
GeoGebra
New Resources
找出對稱軸
兩組對邊相等的四邊形
兩位數加法
【案例】2018年全国1卷理科12题
異分母分數減法
Discover Resources
國中數學題
ghrtghrtghrtgbr
高次不等式
Drag A or X
angle between 2 planes 01
Discover Topics
Conditional Probability
Similar Triangles
Tangent Line or Tangent
Boxplot
Solids or 3D Shapes