user-avatar
269487684009719
2 năm trước
Bài 2: Đường kính của một bánh xe đạp là 0,52m. a) Tính chu vi của bánh xe đó? b) Chiếc xe đó sẽ đi được bao nhiêu m nếu bánh xe lăn trên mặt đất 50 vòng, 80 vòng, 300 vòng?
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

1. Our boss has suggested a new idea.-> A new idea……………………………………………………… 2. You must wash this sweater in warm water.-> This sweater…………………………….……………… 3. We sold the last shirt of this style a few hours ago.-> The last shirt……………………………………… 4. They built the Effel Tower in 1889-> The EffelTowe…………………………………………………… 5. The police are questioning him at their headquarters.-> He……………..……………,………………….. 6. He sent me a nice gift on my birthday. -> A nice gift …………………………………………..……… 7. They grow rice in tropical countries.-> Rice………….………………………………………………… 8. My father will buy a new car next month.-> A new car……………………………………………… 9. Someone cleans this room everyday.-> This room………………………………………………………. 10. She hasn’t done her homework yet.-> Her homework…………………………………………………… 11. My sister will tell you what time the train leaves.-> You……………………………………..………… 12. We have asked some friends of hers to join us.-> Some friends………………………………………… 17. The teacher is watching them work.-> They………….………………………………………….……… 18. Noone has seen Peter since the day of the party.-> Peter ……………………………………………… 21. We have to improve all the schools in the city.-> All the schools……………………………….……… 22. They are going to build a new bridge in the area.-> A new bridge……………………………………… 23. They have buit two department stores this year. -> Two department stores…………………..………… 24. The students are planting trees in the schoolyard at the moment.->Trees……………….………………

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