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優良作品2(怡雯)
Author:
Ching-Hui Chou
GeoGebra
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兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
画直线等分三角形的面积
四邉形 (四年級) 教師版
拼砌四邊形
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volleyball throughing
纏繞圖
tan900
運用量角器量度以下角度
Twghmkc_P5分數乘法
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Equations
Right Triangles
Quadrilaterals
Dilation
Translation