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Author:
johnmayhk
GeoGebra
New Resources
Earth with coastline
四邊形的特性
判斷球體
美國國旗 (Codex 版)
國旗 (Claude 版)
Discover Resources
圓形的西洋棋盤
正多面體
乘法计时训练
认识方程
三位數除以一位數（二）
Discover Topics
Isosceles Triangles
Quadrilaterals
Exponential Functions
Prism
Congruence