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龍騰4_1-1課例2
Author:
廖傑成
GeoGebra
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球體建築師
拼砌四邊形
兩組對邊相等的四邊形
判斷球體
四邉形 (四年級) 教師版
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homework
圖形的周界
sin的平移與伸縮
劉徽的「割圓術」的副本
翰林數學_2下_CH4-3_四邊形的種類
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Isosceles Triangles
Centroid or Barycenter
Tree Diagrams
Scatter Plot
Equations