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thaihuuy
2 năm trước
2. Lúc 7 giờ một xe máy từ A đi đến B với v = 35 km/giờ, đến 8 giờ 12 phút một ô tô cũng đi từ A đến B với v= 65 km/giờ. Hỏi ô tô gặp xe máy lúc mấy giờ và chỗ gặp nhau cách A bao nhiêu km? Làm nhanh hộ vs a
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