Mathematics, 22.07.2021 14:00 brenda2512

hùng đi tên một quãng đường Giờ đầu ùng đi được 1/3 quãng đường, giờ thứ hai di được 2/5 quãng đường, giờ thứ ba đi được 1/10 quãng đường Hùng đi dài bao nhiêu ki - lô - mét?

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hùng đi tên một quãng đường Giờ đầu ùng đi được 1/3 quãng đường, giờ thứ hai di được 2/5 quãng đường...

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