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翰林數學_1下_CH2-2_二元一次聯立方程式的圖形
Author:
翰林數學
GeoGebra
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兩組對邊相等的四邊形
異分母分數減法
四邉形 (四年級) 教師版
算柱 (兩位數)
GeoGebra笔记功能体验课件
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分數的認識
比較3個分數大小
邊角關係
立體圖形的截面
GGB 教程
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General Quadrilateral
Geometric Distribution
Parabola
Ellipse
Line Segment