Mathematics, 22.07.2021 06:30 blueval3tine

Quãng đường AB dài 90km, có hai ô tô khởi hành cùng một lúc. Ô tô thứ nhất đi từ A đên B, ô tô thứ hai đi từ B về A. Sau một giờ hai xe gặp nhau và tiếp tục đi. Xe thứ hai tới A trước xe thứ nhất tới B là 27 phút. Tính vận tốc của mỗi xe.

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Quãng đường AB dài 90km, có hai ô tô khởi hành cùng một lúc. Ô tô thứ nhất đi từ A đên B, ô tô thứ h...

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