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Area of rectangle
Author:
harryau
Topic:
Area
Area of Rectangle
GeoGebra
New Resources
撒针估算面积实验
盈利與虧蝕
第八周作业1
第八周作业
比較五件物件的重量
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翻轉方塊(單開)
square and circle
包含除法(整數或分數 ÷ 分數)
duality of regular polyhedron
翰林數學_2下_CH3-4_三角形的外角大於任一內對角
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Planes
Linear Functions
Cube
Symmetry
Trigonometric Functions