tìm GTNN của biểu thức:A=x^2-6x+7

giúp nhanh vs ạ mik cần gấp,5 sao câu trl hay nhất

giúp em với ạ em k bt cách làm ạ

Giúp mình câu này; Tìm tập xác định của hàm số: 2x^3 - 4x

Cho 22,6 g hỗn hợp (Mg, Al, Cu) tác dụng với khí Cl2 dư thu được 43,9g muối. Hỏi nếu cho 22,6g hỗn hợp trên tác dụng với O2 dư thu được bao nhiêu gam oxit. giúp mình với gấp

I. Complete the words of school things. 1. t_ _ _ _ _ r 2. d _ _ k 3. r _ l _ r 4. p _ n 5. r _ bb _ r 6. s _ _ _ _ _ t 7. p _ _ _ _ l c_ _ e 8. _ a _ _u _ a _ or 9. b _ _ k 10. ch _ _ r.

Fill in the bank "more" or "less" 1. You should eat ....junk food, or you can put on weight. 2. Watch ......TV, or you will be tired. 3. You should drink .....alcohol. It's not good for your health. 4. You should do .....exercise to keep fit. 5. Wear .......clothes. It's cold outside! 6. You eat too much fried chicken, you should eat .......vegetables. 7. Linh should read ......books. 8. You should drink ...... water to have better skin. 9. You should spend ......time playing video games, or you will have a headache! 10. Wash your hands ......or you will get sick.

phân tích khổ thơ sau = 1 đoạn văn ngắn ( 50 điểm )

Các bạn giúp mình, càng nhanh càng tốt

7. The workers (work) _______________ in the firm at the moment. 8. How many times _________ you (see) ________him since he went to Edinburgh? 9. Rivers usually (flow) __________ to the sea. 10. Look! The boy (cry) _______________. 11. Do you know that man, who (smoke) _______________________ there. 12. Mrs. Green always (go) _____________to work by bus. 13. We (be) ____________ from French. We (be) ______________ there for 20 years. 14. I (move) ______________ to another town next week. 15. I (see) __________ that film several times because I like it. 16. She always (go) _______________ go to bed before her mother does. 17. Mary (lose) _________________ her hat for 2 days. 18. __________you (take) _________ a trip to London next week? 19. She rarely (take) ____________a bath before dinner. 20. He (not finish) _______________ doing it yet. 21. He (not see) ____________ him since Christmas. 22. In what year _______ World War II (break) __________ out? 23. The sun (set) ______________ in the West. 24. They (live) _______________ in Ho Chi Minh City since 1975. 25. He (come) _________ here once 2 years ago. 26. We will go out when it (stop) _________________raining. 27. She (read) ______all the books written by Dickens. How many books _______ you (read) _______? 28. Alice and Mary (put) ___________ the dishes away right now. 29. What ________you (do) _________ at 10 am yesterday? 30. She (finish) ____________ her homework recently. 31. He (just see) ______________ her. 32. They (already show) _______________ the film. 33. I’m sorry the car is not here. I (just sell) ______________ it. 34. When _________you (buy) ________ your bicycle? 35. I (know) ______Jack since we (be) ________ students but I (not meet) ______ him since we (leave) _______ school in 1998. 36. The Bakers (be) ______________ in New York for 3 months. 37. __________you (spend) _________ your holiday in Da lat last summer? 38. We (visit) ___________ that city last year. 39. The farmer (work) _________________ in the field now. 40. John (see) ______________ that film sometimes. 41. My brother (use) ______________ this computer for 2 years. 42. Mr. Green (buy) ______________ a new tractor last month. 43. They (live) ________________ in this street for a long time. 44. My brother (play) _______________ football at the moment. 45. Mr. Green (teach) ______________ French since he left London in 1997. 46. She often (go) _____________ to school by bicycle but yesterday she (go) __________by bus. 47. Look! It (snow) _______________. 48. She (not speak) _________________ to me since last week. 49. Up to now, Hoa (work) _______________ very hard. 50. HCM city (be) ______________ the largest city in Vietnam. 51. They (hold) ________________ the meeting recently. 52. Phong (sleep) _______________ right now