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三巧板
Author:
Tree
GeoGebra
運用以上三塊圖形板拼合出下面的圖形: (a) 等腰直角三角形 (b) 長方形 (c) 平行四邊形 (d) 梯形
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Parallelograms: Quick Investigation
Icosahedron1
Icosahedron
Exploring the Derivative of a Quadratic Function
Poorly Drawn Parallelograms 2
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Area of isoperimetric figures
טענות על שיפועים שווים
Quadratic Graphing
Trig Ratios Random Triangle
SHM model
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Coordinates
Mathematics
Translation
Integral Calculus
Equilateral Triangles