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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
判斷球體
近似值:有效數字
兩位數加法
算柱 (兩位數)
Discover Resources
parallelogram
HW 1
圓內接四邊形對角
正方体展开图的副本
夾擠定理 (The Squeeze Theorem)
Discover Topics
Root
Trigonometric Functions
Tangent Line or Tangent
Conditional Probability
Special Points