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翰林數學_1下_CH2-1_直角坐標平面的認識象限
Author:
翰林數學
GeoGebra
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畫出對稱圖形
兩組對邊相等和有直角的四邊形
GeoGebra笔记功能体验课件
四邉形 (四年級) 教師版
直角坐標平面上的旋轉變換
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Surface Integration
∠APB ≥ 30°
迭帶
同旁內角---垂直平行綫
用几何概型估计pi值
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Percentages
Terms
Right Triangles
Geometric Transformations
Polygons