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符成岗
Author:
符成岗
GeoGebra
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椭圆内切圆链
第八周作业2
异形操场
小学资源收集
龙形曲线-分形龙2
Discover Resources
相向而行的兩行進波
Copy of 相關係數
分數乘法方塊
函数奇偶性的图像特征
橢圓幾何性質,光學性質,生活應用
Discover Topics
Arithmetic Operations
Cosine
Geometry
Reflection
Trapezoid