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九點圓
Author:
彭宇辰
GeoGebra
New Resources
拼砌四邊形
兩組對邊相等的四邊形
【案例】2018年全国1卷理科12题
畫出對稱圖形
三位數除以一位數（二）
Discover Resources
容積盒子
平移
circle: line from centre
圓周_心算題02
正方体展开图
Discover Topics
Bar Chart or Bar Graph
Pythagoras or Pythagorean Theorem
Perimeter
Division
Vectors 3D (Three-Dimensional)