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椭圆的定义
Author:
guomenglin
Topic:
Ellipse
GeoGebra
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GeoGebra数学资源(4-8年级)
第八周作业2
龙形曲线-分形龙
斐波那契螺旋弧线(表格法)
中华人民共和国国旗
Discover Resources
十字交乘法
優良作品3(薇如)
轨迹2016.4.16
Effects on Dispersion
長方體的體積
Discover Topics
Circle
Linear Equations
Division
Coordinates
Fractal Geometry