Mathematics, 09.07.2021 19:20 hdjehd

Bạn Nam đi xe đạp từ nhà lên thị xã với vận tốc trung bình là 15 km/h. Lúc về bạn Nam đi với vận tốc trung bình là 12 km/h nên thời gian về nhiều hơn thời gian đi là 22 phút. Tính độ dài quãng đường từ bạn Nam đến thị xã

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Bạn Nam đi xe đạp từ nhà lên thị xã với vận tốc trung bình là 15 km/h. Lúc về bạn Nam đi với vận tốc...

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