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畫三角形 第2題
Author:
misssiunc
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
三位數除以一位數（一）
兩位數除以一位數（一）
四邉形 (四年級) 教師版
畫出對稱圖形
兩組對邊相等和有直角的四邊形
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暗棋的步距
動態畢氏定理
Conic section-ellipse&hyperbola
二維點陣列變化
Circumcentre
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Histogram
Numbers
Quadrilaterals
Optimization Problems
Mathematics