`-1 ≤x,y,z ≤2` và `x+y+z=0` cmr `x^2+y^2+z^2 ≤6`

Tả lại hình ảnh của mẹ trong 1 công việc quen thuộc mà mẹ vẫn thường làm hàng ngày

Please xin mọi ngừi giúp mìn vs ạ!!!!! Mình sẽ vote 5 sao cho🌟🌟🌟🌟🌟

Có ý kiến cho rằng chí công vô tư là đặt lợi ích chung lên trên mà quên đi lợi ích cá nhân. Em có đồng ý với ý kiến đó k

1. They London this month. (leave) 2. He a lot of English papers. (bring) 3. She me about it. (tell) 4. I a long letter from father this week. (get) 5. She (just) ; she will speak to you in a minute. (come) 6. I to Radio City. (be) 7. I think the director the town. (leave) 8. I my office. (paint) 9. We her since she arrived to our city. (know) 10. I your name. (forget) 11. He the door. (close) 12. He it since we left him. (do) 13. I him my last penny. (give) 14. This order to many misunderstandings. (lead) 15. He his name on my book. (write) 16. She a new umbrella. (buy) 17. He my exercise over and over. (look) 18. I those books very cheaply. (buy) 19. He for two months. (work) 20. She a new job. (find) 21. He very well. (speak) 22. The children the whole pudding. (eat) 23. You many detective stories. (read) 24. Our team the first prize. (win) 25. My little daughter her finger with a knife. (cut)

Trong tác phẩm Chuyện người con gái Nam Xương chi tiết "cái bóng trên vách" là một chi tiết nghệ thuật đắt giá. Em hãy phân tích làm rõ điều đó

What are the advantages of online study? ( M.n chỉ cần kể ra các ưu điểm thôi chứ ko phải làm bài nhé)

Giải thích tại sao thể tích dung dịch sau phản ứng lại bằng thể tích dung dịch tpu

X Read the passage and answer the questions. Anna lives in a village in Africa. Her day starts at 4 o’clock. She gets up, and she walks three kilometers to the river. She collects some water, and carries it back to her house. The water is very heavy. It isn’t clean but there isn’t any water in the village. Anna doesn’t go to school. She can’t read or write. She helps her mother in the house. She helps the work in the kitchen. She does the gardening every morning. Sometimes, she wants to have a robot. It can help her with all the work. But her dream never becomes true because her family is so poor. 1. Where does Anna live? 2. What does Anna do after she gets up? 3. Is the water clean? 4. What does she do every morning? 5. What does she collect?

cho tam giác ABC, AH vuông góc với BC gọi I,K,M,N là trung điểm của AB,AC,HC,HB.chứng minh tứ giác IKMN là hình chữ nhật và IM=NK