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相同圖形的拼砌（三角形）
Author:
ho ting chit
Topic:
Triangles
GeoGebra
New Resources
畫出對稱圖形
【案例】圆柱体内放置一个大球六个小球
判斷球體
兩組對邊相等和有直角的四邊形
【案例】2018年全国1卷理科12题
Discover Resources
SSA為何不能保證全等
四邊形外接正方形
homework
滾動的圓
椭圆规
Discover Topics
Tree Diagrams
Linear Regression
Incircle or Inscribed Circle
Means
General Quadrilateral