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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
畫出對稱圖形
三位數除以一位數(一)
算柱 (兩位數)
拼砌四邊形
Discover Resources
Statistics (M1)
習題2-3 請於P40任選一題分段函數,繪製其函數圖形。
semops_圓錐
Trigonometric Relations(180,360)
n等分单位圆作正弦曲线
Discover Topics
Pyramid
Trapezoid
Cosine
Secant Line or Secant
Rational Numbers