Giúp mình với mình cần gấp gấp 😭😭😭mai mình thi rồi😭😭😭

Trong các môn học ở tiểu học, em học giỏi môn nào nhất ?Hãy kể lại quá trình vươn lên trong học tập để trở thành HSG môn đó. Nhanh nhé ạ, viết theo cách lớp 5 ạ, ko cần viết MB chỉ cần thân bài thôi ạ ! Hiểu như nào viết như thế

tìm số có ba chữ số.biết chữ số hàng trăm hơn chứ số hàng chục 1 đơn vị và bằng 1/2 chữ số hàng đơn vị

Cho tam giác ABC vuông tại A có C = 30°. BD là phân giác của góc B (D thuộc AC), E là trung điểm của BC. Chứng minh rằng: a) DA = DE b) AB = CE c) DB = DC d) DE là đường trung trực của đoạn BC e) BD là đường trung trực của đoạn AE Cac anh chi giup em voi a

Giải các phương trình sau: a)3x-/x-1/=0 b)/5-2x/- $\frac{2}{3}$x=1 c) $\frac{1}{2}$x+/3x-2/=1

Calli chữ Gia Đình Hạnh Phúc nha trên app nha Trang trí đẹp vào ó nha mn

Tìm m để hàm số sau đồng biến trên R: $mx^{3}$ - (2m-1)$x^{2}$ + 4m - 1

giup mk voi a!!! tuy nhieu nhung viet ra vo cx dc! 1. I’m sorry now that I can’t tell her about this.  Now I wish . . . . . . . . . . . . . . . . . . . . . . . . . 2. She won’t visit me again. I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3. I’m sorry that he isn’t with us now. I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4. I’m sorry that I can’t finish my homework .  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5. What a pity! You have to leave now. I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6. John can’t join in the trip as he promised. I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7. My father can’t speak English fluently I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8. She is sorry that she doesn’t take part in cooking class.  She wishes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9. I’m afraid that we don’t have enough money to buy that little house.  We wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10. Maria will not be able to join our trip tomorrow  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11. What a pity Mary doesn’t understand me  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . 12. I ‘m sorry . I can’t see you off at the airport  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13. I regret going out alone at the night.  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14. It’s a pity my teacher isn’t here to give us some advice. I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15. There are a lot of lessons and homework.  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16. Mrs Taylor would like to be on the beach now  Mrs Taylors wishes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 17. He is sad because he doesn’t have a new bike  He wishes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18. It’s a pity I don’t take my doctor’s advice.  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19. I’m afraid that I don’t have time to listen to you.  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20. I’m sorry that I can’t help you with this.  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21. He doesn’t like living in such a small house  He wishes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22. What a pity the weather isn’t fine today.  I wish........................................................ 23. I haven’t enough money to buy this book.  If only...................................................... 24. I’m afraid he won’t get over his illness soon.  I wish...................................................... 25. I live in a big city, but I don’t like it.  I wish...................................................... 26. I can’t take the trip to Hanoi with her next summer.  I wish...................................................... 27. Mary is afraid she won’t be able to attend your wedding next week.  I wish...................................................... 28. I will have to leave here tomorrow.-> 29. It won’t rain tomorrow. 30. They will build a factory here so the air in the city will be polluted. -> If only they…………………………………………………………………………. 31. It’s a pity, my parents won’t visit HL bay with us next week ->If only………………………………………………… 32. I regret that you weren’t here yesterday.  I wish . . . . . . . . . . . . 33. If only I didn’t get such bad marks.  I WISH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34. We had to cancel the match.  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35. I regret not going to airport to say goodbye her.  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36. She is sorry that she told you the best news.  She wishes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37. I’m sorry that I didn’t finish my homework last night.  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38. What a pity! You failed your driving test.  I wish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39. I’m sorry now that I asked her to say.  Now I wish . . . . . . . . . . . . . . .

1. Viết các biểu thức sau dưới dạng lập phương của một tổng hay một hiệu: (x + y)^3 . (x – y)^3

cho biểu thức A=x+căn x/cănx -2 + 2 căn x -1 / căn x +2 + x-6 căn x +4 / x-4 a) rút gọn