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Mathematics, 15.06.2021 18:10 gymnastattack

Tính thể tích của khối lăng trụ đứng ABCA'B'C' , đáy tam giác ABC vuông tại A , biết AB = 2a , AC=a và độ dài cạnh bên bằng 3a

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Tính thể tích của khối lăng trụ đứng ABCA'B'C' , đáy tam giác ABC vuông tại A , biết AB = 2a , AC=a...

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