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World's Second-Hardest Easy Geometry Problem
Author:
Terry Chau
Topic:
Geometry
幾何老題2
GeoGebra
New Resources
球體建築師
【案例】圆柱体内放置一个大球六个小球
兩位數加法
拼砌四邊形
判斷球體
Discover Resources
task4
Angle at Centre & Angle at Circumference: Proof 圓心角與圓周角:証明
拋物線
congruent (SA) 2
任意角的三角函数
Discover Topics
Interest Calculation
Histogram
Planes
Vectors 2D (Two-Dimensional)
Ratios