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dandelin
Author:
袁智强
GeoGebra
New Resources
三角函数 的副本
龙形曲线-分形龙2
中华人民共和国国旗
撒针估算面积实验
第八周作业
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封閉圖形填顏色
If x^2 + x + k > 0 for any real value of x, what is k?
example
动态演示
Copy of 劉徽的「割圓術」
Discover Topics
Piecewise Functions
Multiplication
Right Triangles
Congruence
Complex Numbers