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1 xe máy đi từ A lúc 8h 37 phút với vận tốc 36 km/giờ. Đến lúc 11h 7 phút, 1 ô tô cũng đi từ A đuổi theo xe máy với vận tốc 54 km/h. Hỏi ô tô đuổi kịp xe máy lúc mấy giờ.
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