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World's Second-Hardest Easy Geometry Problem
Author:
Terry Chau
Topic:
Geometry
幾何老題2
GeoGebra
New Resources
三位數除以一位數（二）
【案例】2018年全国1卷理科12题
四邉形 (四年級) 教師版
【案例】2013年安徽高考15题
兩組對邊相等的四邊形
Discover Resources
二次函數的觀察
Copy of 畫鐘面
test
Locus (Parallel lines)
建中科學班檢定
Discover Topics
Diagrams
Arithmetic Operations
Geometric Transformations
Statistics
Centroid or Barycenter