Tìm lỗi sai và sửa lại chương trình sau: Begin Program vd Uses crt; Clrscr; Writeln(‘Chao cac ban!’) End. readln

Tìm min a,x^2+2x-1 b,x^2+6x c,1-x^2+x

Điền could, couldn't, was able to , were able to 8. There was a big party last night. You ............................ hear the music half a mile away. 9. I learnt to read sheet music as a child. I ............................ read it when I was five. 10. People heard warnings about the food, and they ............................ move out in time. 11. She wasn’t at home when I phoned but I ............................ contact her at her office. 12. Mrs Carter ............................ put out the fire before the house burnt down. 13. I looked everywhere for the books, but I ............................ find it. 14. The plane ............................ take off at eleven o’clock, after the fog had lifted. 15. Jack was an excellent tennis player. He ............................ beat anybody.

Giải giúp mik cái nhaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Vẽ giúp mình hình này , có màu , Độ HD cao , cấu hình tốt xấu thì nhường người vẽ đẹp vẽ 1 trong 2 hình này

Theo tinh thần Hội nghị Pốt-xđam. vùng Tây Bắc và vùng phía Nam nước Đức do nước nào chiếm đóng? ko cần giải thích ai trả lời nhanh chính xác thì sẽ được CTLHN

Complete these sentences with “could, couldn’t” or “was, were able to”. 1. A girl fell into the river but fortunately we ............................ rescue her. 2. I ............................ walk when I was less than a year old. 3. My grandfather ............................ walk without any help last night. 4. ............................ you understand what he was saying? 5. My grandmother ............................ speak Spanish. 6. Suddenly all the lights went out. We ............................ see a thing. 7. The computer went wrong, but luckily Emma ............................ put it right again.

có bao nhiêu số có n chữ số(n thuộc N*)

Bài 2: Cho đường tròn (O; R) và một điểm A ở ngoài đường tròn. Vẽ các tiếp tuyến AB, AC. C/m: Góc BAC = 60 khi và chỉ khi OA = 2R. EM CẢM ƠN MỌI NGƯỜI.

Using “be able to” or “couldn’t” to complete the sentences. 1. The car fell into the river. The worker ......... get it out but the driver was dead. 2. I knew the town so I ..................... advise him where to go. 3. Despite the arrival of the storm, they ..................... finish the football match. 4. After his car crashes, he was so confused that he ..................... tell the police who he was or where he was going. 5. I haven’t ..................... concentrate recently on work. I don’t know what it is.