user-avatar
phanhanh2910
2 năm trước
Bài 2: Một xe máy đi từ A đến B dài 75 km. Lúc về chạy đường khác dài hơn lúc đi 25 km nên thời gian về nhiều hơn thời gian đi là 30 phút. Tính vận tốc xe máy. Bài 3: Một ô tô đi từ A đến B với vận tốc 50 km/h. Từ B trở về A 6 1ô đi với vận tốc 40 km/h. Thời gian cả đã lẫn về hết 9 giờ. Tính quãng đường AB. làm giúp mình vớiiiii cảm ơn trc ạ=D
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

RELATIVE CLAUSE Combine the following sentences, using who, whom, which or whose: 1. How did you know that man? I met him at the site conference.  ______________________________________________________________________ 2. The graduation ceremony was very formal. All of us went to it.  ______________________________________________________________________ 3. Rich comes from a country. Its history goes back thousands of years.  ______________________________________________________________________ 4. We visited Belgrade. It is the capital city of Yugoslavia.  ______________________________________________________________________ 5. Louisville was founded in 1778. It is the largest city in Kentucky.  ______________________________________________________________________ 6. These people are very enthusiastic. They volunteer to do charity work.  ______________________________________________________________________ 7. The Great Wall of China can be seen from the moon. It is one of the great wonders in the world.  ______________________________________________________________________ 8. Max attends a training course to become a pilot. He is very interested in flying.  ______________________________________________________________________ 9. Hue is famous with many kinds of festivals. It was admitted as world’s cultural heritage.  ______________________________________________________________________ 10. These wild animals are in danger. People are working hard to save them from being extinct.  ______________________________________________________________________ 11. The Great Fire of London broke out in 1666. It destroyed a large part of the city.  ______________________________________________________________________ 12. Van Gogh cut off his ear. He was a well known artist.  ______________________________________________________________________ 13. David is going to talk about careers. I’m sure you all know him.  ______________________________________________________________________ 14. That is the woman. I was telling you about her.  ______________________________________________________________________ 15. The girl chatted with him yesterday. She arrived here at 6:30.  ______________________________________________________________________ 16. The man is talking to my father. He spent 15 minutes measuring our kitchen.  ______________________________________________________________________ 17. The architect designed these flats. He has moved to HCM City.  ______________________________________________________________________ 18. The young man lives in the corner. He rides an expensive motorbike.  ______________________________________________________________________ 19. . I’m reading the book. I bought it in 1996.  ______________________________________________________________________ 20. The young man is talking to our teacher. He is Ba’s brother.  ______________________________________________________________________ 21. We visited the monument. It was built a hundred years ago.  ______________________________________________________________________ 22. The boy gave his parents big hugs before he left. He went abroad to study.  ______________________________________________________________________ 23. My friends had so much fun at the festival. They wanted to go there again.  ______________________________________________________________________ 24. Children like to eat ice-cream. It can cause toothache.  ______________________________________________________________________ 25. The lady is a famous writer. You met her at the party last night.  ______________________________________________________________________ 26. The child enjoyed the chocolates. Her mother bought them from France.  ______________________________________________________________________ 27. Dr Oley is our family’s dentist. He is a popular dentist in the city.  ______________________________________________________________________ 28. The lecturer is my uncle. He gave an interesting talk on TV last night.  ______________________________________________________________________ 29. Mr. Phong hasn’t come yet. He is supposed to be at the meeting.  ______________________________________________________________________ 30. The student kept talking about the project. It was done last week.  ______________________________________________________________________ 31. Lan went back home. She forgot to turn off the faucet.  ______________________________________________________________________ 32. The boys are interested in football. It is a popular game all over the world.  ______________________________________________________________________ 33. There’s the boy. He broke the window.  _______________________________________________________________

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team