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180°
Author:
杨华
GeoGebra
New Resources
斐波那契螺旋弧线(表格法)
龙形曲线-分形龙2
椭圆内切圆链
第八周作业1
折扣
Discover Resources
車輪
Travel Graph 行程圖
丹鳳車追趕題
蜘蛛網製作
固定周界的長方形的面積變化(周界是200厘米)
Discover Topics
Volume
Ellipse
Area
Symmetry
Algebra