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Polygonal numbers
Author:
Tung Chao
Topic:
Numbers
Use triangular and square numbers to investigate number patterns
GeoGebra
New Resources
球体的体积推导(优化版)
【案例】2018年全国1卷理科12题
四邉形 (四年級) 教師版
判斷球體
兩位數除以一位數(二)
Discover Resources
托勒密定理推廣到直線
四邊形內部反射_長寬角度可調整
到點與線段距離相等
橢圓代數性質,光學性質,生活應用
兩位數除以一位數(二)
Discover Topics
Upper and Lower Sum or Riemann Sum
Quadrilaterals
Ratios
Geometric Mean
Means