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全等—正方形的旋转
Author:
詹凯
Topic:
Congruence
,
Triangles
GeoGebra
New Resources
近似值：有效數字
美國國旗 (Codex 版)
兩組對邊相等的四邊形
Earth with coastline
美國國旗 (Claude 版)
Discover Resources
數字組合
垂直1
畢氏定理1
单晨答上海鲍老师
幻彩圆
Discover Topics
Straight Lines
Polygons
Median Value
Cuboid
Solids or 3D Shapes