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GeoGebra
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Author:
迎锋 徐
GeoGebra
New Resources
撒针估算面积实验
常见四边形是否是双心四边形
第八周作业2
斐波那契螺旋弧线(表格法-可动态调节)
双心四边形
Discover Resources
數值滑桿
相似三角形的应用
单晨答重庆李琳
cow function
用平面截圆锥
Discover Topics
Function Graph
Percentages
Geometry
Area
Inequalities