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Mathematics, 27.07.2021 23:30 queenliz855

Hằng ngày một xe máy đi từ A đến B với vận tốc 45 km/h. Hôm nay vì xuất phát muộn 9 phút nên ô tô phải tăng vận tốc thêm 5 km/h và đến B đúng giờ như mọi hôm. Tính quãng đường AB

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Hằng ngày một xe máy đi từ A đến B với vận tốc 45 km/h. Hôm nay vì xuất phát muộn 9 phút nên ô tô ph...
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