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nguyettru
2 năm trước
Lúc 7h một người đi xe máy khởi hành từ hà nội đến hưng yên với vận tốc 40km/h.Sau đó 36p, trên cùng một tuyến đường đó, một xe ô tô xuất phát từ hưng yên đến hà nội, với vận tốc 60km/h. Biết quãng đường Hưng Yên-Hà Nội dài 64 km. Hỏi sau bao lâu, kể từ khi xe máy khởi hành, hai xe gặp nhau?
Thích Trả lời Chia sẻ

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