1 tàu thủy chạy xuôi trên một khúc sông dài 72km sau đó chạy ngược dòng khúc sông ấy 54km hết tất cả 6h tính vận tốc riêng của tàu thủy biết vận tốc của dòng nước là 3km/h. Giải chi tiết giúp mk ạ

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VIII. Rewrite the second sentence so that it has the same meaning as the first one: (10 points) 1. Is this all right if I use your computer? → Would you mind……........................................................……………………....………………….? 2. Mai keeps leaving her ruler at home. → Mai is………………………………………………………………………....….……………......... . 3. We knew each other when we were students. → We have............................................................................................................................................ . 4. “Do you like playing sports in your free time, Nam?”; said Tuan. → Tuan asked.........................................................................................................................................? 5. My sister is more hard-working than I. → I don’t.................................................................................................................................................. 6. Some people think that he will win the first prize in the final contest. → He ........................................................................................................................................................ . 7. She can’t do the exercise because it is very difficult. → The exercise is too............................................................................................................................... . 8. The house is modern and beautiful. It was built last year. → The house............................................................................................................................................. . 9. He took up a map, so that he wouldn’t get lost. → So as .................................................................................................................................................... . 10. They didn’t finish the work until the bell rang. → Not until................................................................................................................................................ .