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凸透镜成像
Author:
软 微
GeoGebra
New Resources
兩位數加法
【案例】2018年全国1卷理科12题
拼砌四邊形
畫出對稱圖形
画直线等分三角形的面积
Discover Resources
Redefining Trigonometry by a Unit Circle
勝者即正義
Hyperbola_Horizontal
二重积分
分数整体与部分为单位1的线段图示
Discover Topics
Integers
Polygons
Probability
Triangles
Vectors 3D (Three-Dimensional)