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ngocnguyenken27
2 năm trước
Một cửa hàng có 4 tạ gạo gồm 3 loại gạo nếp gạo tẻ và gạo lứt số gạo nếp chiếm 1/5 tổng số gạo số gạo tẻ bằng bằng 3 phần 8 số gạo còn lại Tính số gạo mỗi loại có ở cửa hàng Tính tỉ số phần trăm của số gạo tẻ so với tổng số gạo có ở cửa hàng
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