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正弦曲线
Author:
sschy
GeoGebra
New Resources
龙形曲线-分形龙
撒针估算面积实验
正方形雪花图案
常见四边形是否是双心四边形
平行線的判定
Discover Resources
test
利用對摺找內心
ex 4
maze-temp
外心
Discover Topics
Mathematics
Parametric Curves
Linear Programming or Linear Optimization
Subtraction
Complex Numbers