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Mathematics, 25.11.2021 15:50 chaserandall2004

Vẽ hình thoi ABCD có AB=2cm , biết đường chéo AC = 3cm. Tính độ dài đường chéo BC

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Vẽ hình thoi ABCD có AB=2cm , biết đường chéo AC = 3cm. Tính độ dài đường chéo BC...
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