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huynhnhuvuongngoc1362
2 năm trước
Ở 0 độ c khối lượng riêng của rượu là 800kg/m^3. Tính khối lượng riêng của rượu ở 50 độ c, biết rằng khi nhiệt độ tăng thêm 1 độ c thì thể tích của rượu tăng thêm 1/1000 thể tích của nó ở 0 độ c.
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