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斜率
Author:
lzp80
GeoGebra
New Resources
第三周作业效果演示
第八周作业3
三角函数 的副本
第八周作业1
中华人民共和国国旗
Discover Resources
(1+x/n)^n 逼近 exp(x)
Drawing quadrilaterals on the grid or the pinboard
模擬3D空間物件：空間坐標軸的建立
功課'
凸多边形在直线上的滚动
Discover Topics
Perimeter
Equilateral Triangles
Constructions
Optimization Problems
Matrices