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齒輪連接的方法與轉動。
Author:
鍾元杰
齒輪連接與轉動的方法。
GeoGebra
New Resources
【案例】2013年安徽高考15题
判斷球體
球体的体积推导(优化版)
GeoGebra笔记功能体验课件
第八周作业
Discover Resources
Escher 階梯
複合圖形(四)
quadratic
sequence-circle
赵爽弦图
Discover Topics
Hypergeometric Distribution
Statistical Characteristics
Set Theory
Rational Numbers
Cuboid