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双动点问题
Author:
陈宜红
Topic:
Congruence
,
Constructions
,
Triangles
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
第三周作业效果演示
三角函数 的副本
Discover Resources
拋物線的光學性質
Ruler
Addition and Subtraction of Polynomials 2 (多項式的加減法2)
Rotation: Rolling Motion的副本
旋轉正方形
Discover Topics
Tangent Line or Tangent
Vectors 3D (Three-Dimensional)
Numbers
Curve Sketching
Rectangle