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對角線上的正方形
Author:
Anthony OR 柯志明
長方形的對角線穿過多少個正方形？找出計算正方形數目的公式。
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在對角線上的正方形將其著色。拖拉紅點改變長方形的長和闊。
Anthony Or GeoGebra Institute of Hong Kong
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