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Author:
sidney100
GeoGebra
New Resources
常见四边形是否是双心四边形
双心四边形
龙形曲线-分形龙2
斐波那契螺旋弧线（表格法）
科赫雪花
Discover Resources
Dilation of area
利用按扭製作控制動畫的開關
Locus教學
向量点乘
翰林數學_1下_CH2-1_直角坐標平面的認識
Discover Topics
Coordinates
Surface
Exponential Functions
Exponent
Root