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Polygonal numbers
Author:
Tung Chao
Topic:
Numbers
Use triangular and square numbers to investigate number patterns
GeoGebra
New Resources
兩組對邊相等的四邊形
球体的体积推导(优化版)
第八周作业
【案例】2018年全国1卷理科12题
【案例】圆柱体内放置一个大球六个小球
Discover Resources
分水問題
分數乘法的副本
密鋪8
Gazing Cow Problem (b)
S408 Penrose 階梯
Discover Topics
Arithmetic
Functions
Congruence
Vectors
Calculus