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一线三等角相似模型
Author:
张老师
GeoGebra
New Resources
科赫雪花
第八周作业3
第八周作业
异形操场
正方形雪花图案
Discover Resources
平行四邊形變奏II
等量公理
Rectangle_02
平移動畫(平移加滑桿)
七巧板
Discover Topics
Statistical Characteristics
Congruence
Geometric Transformations
General Quadrilateral
Reflection