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Author:
chisunch1
GeoGebra
New Resources
四邉形 (四年級) 教師版
球体的体积推导（优化版）
兩位數加法
画直线等分三角形的面积
判斷球體
Discover Resources
waaachen
经纬度
earth
五圓相切
鉛筆畫圓
Discover Topics
Rational Numbers
Ratios
Hypergeometric Distribution
Circumcircle or Circumscribed Circle
Congruence