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NCM(2nd)
Author:
ISAAC LAM
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
畫出對稱圖形
画直线等分三角形的面积
拼砌四邊形
四邉形 (四年級) 教師版
Discover Resources
Polygon incised
正方形和長方形有甚麼特性？
軌跡
area
折長方形 62326虹圻
Discover Topics
Cuboid
Median Value
Vectors
Rhombus
Percentages