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Author:
王玉霞
GeoGebra
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球體建築師
兩組對邊相等的四邊形
四邊形的特性
畫出對稱圖形
三位數除以一位數(二)
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畫三角形 題2a
Prime Factors - step by step
相似三角形證明
外心
拋物線5--包絡線法
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Ratios
Means
Trigonometry
Right Triangles
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