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Perimeter

Author:Miss Tsui, Anthony OR 柯志明

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兩組對邊相等和有直角的四邊形
畫出對稱圖形
美國國旗 (Codex 版)
兩組對邊相等的四邊形
四邉形 (四年級) 教師版

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會考小測試
Indices 5
Copy of area
勝者即正義
顶点在正方形对角线上的等腰三角形构成了一个等腰直角三角形

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Similar Triangles
Expected Value
Hypothesis Testing
Natural Numbers
Solids or 3D Shapes

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