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Polygonal numbers
Author:
Tung Chao
Topic:
Numbers
Use triangular and square numbers to investigate number patterns
GeoGebra
New Resources
四邉形 (四年級) 教師版
画直线等分三角形的面积
畫出對稱圖形
判斷球體
兩位數除以一位數(一)
Discover Resources
外心
美麗的花
鉛筆畫圓
周界與面積
Collatz Conjecture 考拉兹猜想
Discover Topics
Logarithmic Functions
Rectangle
Set Theory
Percentages
Upper and Lower Sum or Riemann Sum