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兩正三角形拼成一個大正三角形
Author:
JerryPan(漢文)
GeoGebra
New Resources
Nested spiral octagon
兩組對邊相等和有直角的四邊形
Earth with coastline
畫出對稱圖形
美國國旗 (Claude 版)
Discover Resources
角α与-α的正弦函数关系
拋物線與直線相交弓形區域
Beemo
reflectional symmetry_3
作业1
Discover Topics
Logic
Solids or 3D Shapes
Sphere
Vectors 3D (Three-Dimensional)
Circle