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陳人瑜proof81
Author:
郭亮偉
GeoGebra
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兩位數除以一位數（一）
直角坐標平面上的旋轉變換
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
錐體建築師
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test
Copy of Mjerenje obujma 4
線的面化
球面坐標
圆面积和周长展开示意图
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Curve Sketching
Area
Logic
Kite
Calculus