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勾股定理
Author:
wangjiezailai
GeoGebra
New Resources
科赫雪花
折扣
龙形曲线-分形龙
斐波那契螺旋弧线（表格法-可动态调节）
圓的基本性質
Discover Resources
平行四邊形有甚麼特性？
上色練習
遊戲
線的面化
时钟
Discover Topics
Mathematics
Solids or 3D Shapes
Trapezoid
Addition
Cuboid