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bkb-切割线定理
Author:
梁航宇
GeoGebra
New Resources
球体的体积推导（优化版）
球體建築師
兩位數除以一位數（二）
錐體建築師
兩組對邊相等和有直角的四邊形
Discover Resources
任務1
三角形全等的理由 – 題2
優良作品2
硬幣繞多邊形面積
廣義三角：sin, cos
Discover Topics
Pythagoras or Pythagorean Theorem
Dilation
Square
Vectors 2D (Two-Dimensional)
Arithmetic Mean