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nguyennguyenhuy1088
2 năm trước
Một thùng cao 60cm chứa đầy dầu có trọng lượng riêng 8000 N/m. Tính áp suất của dầu lên đáy thùng và lên một điểm M cách đáy thùng 10cm. minh se vote 5sao ai lam co minh cau hoi c2
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