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正20面体
Author:
2143550746
GeoGebra
New Resources
兩組對邊相等的四邊形
球体的体积推导(优化版)
三位數除以一位數(二)
算柱 (兩位數)
第八周作业
Discover Resources
三角形全等的理由 – 題4
材料
教學成果
太陽系
直角坐標平面上的旋轉變換 (1)
Discover Topics
Incircle or Inscribed Circle
Interest Calculation
Mode
Ellipse
Functions