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旋转和滚动摩擦
Author:
Peng Yu
GeoGebra
New Resources
第八周作业1
GeoGebra数学资源(4-8年级)
百分數及其應用
正方形雪花图案
第八周作业2
Discover Resources
國小數與量
S5 Normal Distribution
doto属性研究
圓內一點
翻牌游戏中的数学道理
Discover Topics
Centroid or Barycenter
Functions
Matrices
Definite Integral
Statistics