user-avatar
tiendat.quyen
2 năm trước
một phòng họp có 360 ghế được xếp thành từng hàng và mỗi hàng có số ghế ngồi bằng nhau nhưng do số người đến họp là 400 nên phải kê thêm một hàng và mỗi hàng phải kê thêm một ghế mới đủ chỗ tính xem lúc đầu phòng họp có bao nhiêu hàng ghế và mỗi hàng có bao nhiêu ghế
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

I. Choose the best answer( A, B, C or D ) to complete these sentences (Chọn A, B, C hay D). (5pts) 1. Most teenagers are ..................... detective stories. A. interested about B. fond of C. excited on D. go on 2. Tan: It’s hot in here. - Lan: Ok. I .....................on the air conditioner. A. turned B. to turn C. turning D. will turn 3. His mother won’t be at home tomorrow. ..................... . A. Neither won’t he. B. Either will he. C. He won’t either. D. He won’t. 4. Peter: How.....................is your daughter? → Sue: Only 50 kilos. She’s a bit underweight. A. pounds B. heavy C. weight D. tall 5. Excuse me! Is there a bus stop .....................here? A. at B. near C. from D. with 6. The doctor examined him and .....................his temperature. A. took B. made C. did D. take 7. Her mother works.....................hours than her father does. A. a few B. less C. much D. more 8. .....................cards is one of Barry’s hobbies. A. Collects B. Collected C. Collecting D. Collector 9. My grandfather doesn’t like living in the city. The noise ...................him awake at night. A. takes B. keeps C. gives D. does 10. Can you teach me ..................... “ thank you ” in Chinese? A. how to say B. how say C. saying D. to say 11. Liz: .....................should I go to the dentist? → Daisy: Twice a year. A. How long B. When C. How often D. How far 12. Mary: .....................going swimming? → Clark: That would be great. A. Shall we B. How about C. Let’s D. Shall you 13. I prefer swimming in the sea ..................... the pool. A. at B. on C. in D. to 14. Mark: When did he move here? → Twin: He.....................in 2004. A. moving B. moved C. to move D. moves ** Phát hiện chổ sai trong câu sau: 15. Nobody like him because he always looks untidied. A B C D 16. In the afternoon, the chickens produce less eggs than in the morning. A B C D 17. Lan: ................does Nga always get good marks? → Hoa: Because she studies hard. A. What B. When C. How D. Why 18. Jacques Cousteau is the.....................of the deep – sea diving vessel. A. invent B. inventor C. invention D. invents 19. We ought.....................carefully. A. to drive B. drive C. driving D. drives 20. He plays soccer very..................... . A. good B. skillful C. well D. skill Xin CTLHN

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