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多邊形面積(新一代第三版 EX22#8)
Author:
lkkbmaths teachers 檔案儲存用
GeoGebra
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拼砌四邊形
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
第八周作业
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三角形內切三圓
內切圓
函數愛心
爱心
極座標雷達
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Mode
Algebra
Definite Integral
Rhombus
Centroid or Barycenter