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World's Second-Hardest Easy Geometry Problem
Author:
Terry Chau
Topic:
Geometry
幾何老題2
GeoGebra
New Resources
画直线等分三角形的面积
兩組對邊相等的四邊形
兩位數加法
兩組對邊相等和有直角的四邊形
拼砌四邊形
Discover Resources
四則運算
圖形拼砌
Copy of 梯形
微積分基本定理的副本
六芒星
Discover Topics
Pyramid
Coordinates
Cone
Quadrilaterals
Equilateral Triangles