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GeoGebra
Novos Materiais
兩組對邊相等和有直角的四邊形
【案例】2018年全国1卷理科12题
四邉形 (四年級) 教師版
異分母分數減法
拼砌四邊形
Descubra Materiais
Dilation of area
Copy of 長方形與正方形的面積
Klein Bottle
Angle between Plane and Plane
实验：指数函数的图像与性质
Descobrir Tópicos
Sólidos ou formas 3D
Pirâmide
Quadriláteros
Construções
Pontos Críticos