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thinhthonthuc567
2 năm trước
Một cửa hàng tuần đầu bán 45 l nước mắm loại 1 và 25 l nước mắm loại 2 được 740000 đồng . Tuần sau bán 15 l nước mắm loại 1 và 45 l nước mắm loại 2 được 500000 đồng . Tính giá tiền một lít mỗi loại.
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