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Nguyễn Diễm Anh
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2022-04-23 16:51:39
Thời gian ca nô đi đến tỉnh b là:
`10` giờ `15` phút `-` `8` giờ `30` phút `=` `1` giờ `45` phút
`1` giờ `45` phút= `1,75` giờ
Quãng đường ca nô đi từ tỉnh a đến tỉnh b là:
`35,7x1,75=62,475(km)`
`s=v x t`
Đáp số: `62,475km`