Gửi tus ạ
@Kav
Mik chx xem lun á :Đ
Tìm GTNN-LN 2. B = 4x² - 4x - 3 3. C = x² - x 4. D = -9x² + 5x - 1 5. E = 2x² - 2xy + y² +6x +2029 6. Cho a + b = 1 Hãy Tìm: MinS = a² + b² MaxP = ab
1. They use coal to heat their house. 2. This well-known historical site will attract many people. 3. He will repair my bike. 4. Visitors will leave umbrellas and raincoats in the cloakroom. 5. They will ban advertisements on TV. 6. Many countries around the world will use solar energy in the future. 7. We will use wind and solar power to solve the problem of energy shortages. 8. Nuclear and hydro power will generate a great deal of energy in the future. 9. The government will launch a campaign for using renewable energy next month. 10. They will increase the tax on petrol next year. GIÚP MIK VS Ạ !
vẽ trà sữa nka >< vẽ =app,khum cần full màu dou,ít nhất là 2 cốc nhá vẽ cs tâm giùm
Vẽ anime nữ đang buồn vì người yêu ko rep tin nhắn trên này rất rất là buồn luôn ớ :((( Tui rảnh nè chat vs tui đi
các trùm tiếng anh giúp mình với I. Choose the best answer among A, B, C, or D. 1. I’d like to borrow this book . _________ it yet ? A. Did you read B. Had you read C. Have you read( Dấu hiệu HTHT) D. Do you read 2. We ____ in this town for a long time. We _________ here sixteen years ago. A. had been / come B. have been / came C. were / came D. are / came 3. No breakfast for Mark, thanks . He _________ breakfast. A. hasn’t eaten B. didn’t eat C. isn’t eating D. doesn’t eat 4. The news came as no surprise to me. I _________ for sometime that the factory was likely to close. A. knew B. had known C. have known D. know. 5. Glenda _________ extremely hard when she was a student. A. worked B. has worked C. was working D. had been worked 6. The world war II _________ in 1939 and _________ in 1945. A. begins / ends B. had begun/ended C. began / ended D. has begun / had ended 7. I’ll see him when he _________ here tomorrow. A. comes B. will come C. has come D. had come 8. The house was very quiet when I got home. Everybody _________ to bed A. have gone B. went C. had gone D. goes 9. Every twelve months, the Earth _________ the Sun. A. circles B. circled C. has circled D. is circling 10. Wars _________ the most terrible. At the moment, wars _________ in some places in the world. A. are / happened B. have been / have been happening C. were / are happening D. are / are happening 11. You can’t see Tom because he _________ A. is working B. was working C. has been working D. had been working 12. I have never played table tennis before. This is the first time I _________ to play. A. try B. tried C. have tried D. am trying 13. Hurry up! Our train _________ at 7 o’clock. We have just a little minutes. A. leaves B. is leaving C. will be leaving D. is going to leave 14. The child is still ill but he _________ better gradually. A. gets B. is getting C. has gotten D. got 15. Don’t bother her. She _________ her violin lesson; she always _________ it in the morning. A. takes / is taking B. takes / takes C. is taking / is taking D. is taking / takes 16. I’ll come to see you before I _________ for the United States. A. leave B. will leave C. have left D. am leaving 17. My friend, Mary, arrived after I _________ for her about half an hour. A. was waiting B. had been waiting C. have been waiting D. have waited 18. The accident _________ when we were on the way to Vung Tau. A. occur B. occurring C. occurred D. had occurred 19. It was midnight. Outside it _________ very hard. A. rains B. is raining C. rained D. was raining 20. When he _________ at the station, his train already _________ A. arrived / left B. arrived / had left C. had arrived / left D. arrives / leaves 21. You _________ your new hat when I _________ you yesterday. A. were wearing / had met B. wore / had met C. wore / was meeting D. were wearing / met 22. When I_________ there, dinner _________ so I had a drink first. A. get / is preparing B. get / has been prepared C. got / had been prepared D. got / was being prepared 23. Andrew_________ the test before so he _________ it very easy. A. did / had found B. had done / found C. was doing / found D. did / was finding 24. While her brother was in the army, Sarah _________ to him twice a week. A. was writing B. wrote C. has written D. had written 25. When I last _________ him, he_________ in London A. saw-has been living B. see-in living C. saw- was living D. have seen- lived 26. I was sad when I sold my car. I _________ it for a very long time. A. am running B. were running C. have been running D. had been running 27. By next month, Laura _________ for the company for twenty years. A. will be working B. will work C. has been working D. will have been working 28. When I last saw John, he _________ and was out of breath. A. was running B. ran C. has run D. had been running 29. Mary ______ in London for 15 years. A. is living B. was living C. has lived D. lives 30. Tim ______ in three movies already. I think he’ll be a star some day. A. has appeared B. was appearing C. had appeared D. is appearing
Cần hình nha Trên cùng 1 nửa mặt phẳng có bờ chứa tia Ox,vẽ 2 tia Oy và Oz sao cho góc xOy=120 độ,xOz=50 độ. a.Tính góc yOz b.Gọi Om là tia phân giác của góc xOz,Ox' là tia đối của tia Ox.Tính số đo góc x'Om. c.Trên nửa mặt phẳng không chứa tia Oz bờ là tia Ox,vẽ tia On sao cho góc xOn=20 độ.Hỏi Oz có là tia phân giác của góc yOn không?Vì sao?
Choose the words from the list to fill in the summary.
Tính tổng của số tự nhiên bé nhất có chín chữ số và số tự nhiên lớn nhất có chín chữ số rồi viết vào ô trống: ____________ ___________ ___________ |___________| + |__________| = |__________|
Một mảnh đất hình chữ nhật có chu vi là 29 (m), độ dài đường chéo bằng 10 (m). Tính chiều dài và chiều rộng của mảnh đất ? ( 29m chứ ko phải 28 ạ )
Bàn về thơ,nhà thơ Chế Lan Viên cho rằng"Thơ cần có hình cho người ta thấy,có ý cho người ta nghĩ và cần có tình để rung động trái tim". Em hiểu ý kiến trên như thế nào? Hãy làm sáng tỏ nhận định trên qua bài thơ"Đoàn thuyền đánh cá" của nhà thơ Huy Cận. Lưu ý:Cái này là viết bài văn ạ,viết giúp mình bài văn Mình đang cần gấp
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