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Author:
lizuoxiang
GeoGebra
New Resources
双心四边形
常见四边形是否是双心四边形
第八周作业1
正方形雪花图案
撒针估算面积实验
Discover Resources
sin(x)0-720
欢度春节（灯笼）
線型函數
DSE Mathematics
探讨二次多项式的参数和图型
Discover Topics
Integral Calculus
Polygons
Orthocenter
Polynomial Functions
Function Graph