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nguyendung221004
2 năm trước
Một ô tô đi từ A đến B mất 2h 30 phút, nếu nó đi với vận tốc nhỏ hơn 10km/h thì nó sẽ mất nhiều thời gian hơn là 50 phút. Tính quãng đường AB. Ghi rõ cách giải ra nhé:))))))))
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