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dungtran2k8
2 năm trước
Một bể nước hình chữ nhật có chiều dài 2,8m, chiều rộng 1,4m, chiều dài 1,5m.Nước trong bể hiện chiếm 45% thể tích a) Hãy tính thể tích của bể chứa nước. b) Hỏi hiện trong bể có bao nhiêu lít nước?. Người ta thả một khối kim loại vào bể thì mặt nước cách bể một khoảng 0,3m.Tính thể tích của khối kim loại.
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