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凸透镜成像规律
Author:
孙敏捷
Topic:
Geometry
GeoGebra
New Resources
撒针估算面积实验
正方形雪花图案
折扣
常见四边形是否是双心四边形
斐波那契螺旋弧线(表格法-可动态调节)
Discover Resources
Quiz on Interior & Exterior Angles of Triangles 三角形內角和及外角:測驗
ABC 2
火箭
圓上的角任務(一): 提示卡(四)
分段函数动点轨迹
Discover Topics
Means
Dilation
Fractions
Angles
Isosceles Triangles