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P.6 圓周4A
Author:
lkkbmaths teachers 檔案儲存用
GeoGebra
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兩位數加法
異分母分數減法
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
画直线等分三角形的面积
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test
改變橢圓的形狀
transformation_enlarge/reduction
滑杆的數字接力賽-平移旋轉三角形填滿四邊形(加邊框)
钟表制作成功啦
Discover Topics
Boxplot
Perimeter
Equilateral Triangles
General Quadrilateral
Tree Diagrams