$\frac{x+2}{0.5}$= $\frac{2x+1}{2}$

viết một bài thơ về chia xa tuổi học trò ko chép mạng nha

edit cảnh bầu trời nhà các bn nhé, ảnh dưới là hìnhminh họa thoi, ai lm giống hoặc cop mạng bc nhé, bay màu đó k vi phạm luật đou :))

Chào anh chị cho em hỏi tại sao hình lăng trụ đứng có 2 đáy bằng nhau em cảm ơn ạ

Hòa tan hoàn toàn 10,475g hỗn hợp gồm 2 kim loại A và B cùng có hóa trị 2 và tỉ lệ mol tương ứng 4:3 bằng dung dịch axit hcl thu được 3,92l khí h2. Hỏi A B là các kim loại nào?

he MIGHT prefer to stay in tonight and get some rest. cho em hỏi vì sao lại dùng might mà không dùng các động từ khuyết thiếu khác ạ

hộ e nhanh vs ak em xin cảm ơn và sẽ vote

Bai 9: Hoàn thành câu thứ hai dựa vào từ cho sẵn trong ngoặc. 0. my father washes the car once a month. ( is) The car 1. The painter displays all the paintings in the gallery. ( are) All the paintings 2. Jim turns off the kettle . ( by) The kettle 3. Peter always looks the door before 9 p.m ( locked) The door 4. Does Jim take you to the airport? ( taken) Are you _________________________________________________________ 5. How ofte does Jane clean the room? ( is) How often _________________________________________________________ 6. My brother rarely write a long essay. ( is) A long essay _________________________________________________________ 7. My aunt arranges flowers beautifully. ( are) Flowers _________________________________________________________ 8. Mr. Smith sometimes drive the new car to work. (is) The new car _________________________________________________________ 9. I never speak English outside the classroom. ( by) English _________________________________________________________ 10/ People never open this gate. ( is) The gate_________________________________________________________ 11. people make bottles from plastic. ( are) Bottles _________________________________________________________ 12. Jane hangs the wedding photo on the wall. (by ) The wedding photo _________________________________________________________ 13. Someone guard this place twenty-four hour a day. ( is) This place _________________________________________________________ 14. Jim writes and posts his blog on social network site. ( is) Jim’s blog _________________________________________________________ 15. People harvest winter wheat in late July ( is) Winter_________________________________________________________ Bài 10: Chuyển những câu bị động sau thành câu chủ động. 1. I am taken to school by my father every day. ________________________________________________________________. 2. This book is read by a large number of people. ________________________________________________________________. 3. The President is warmly welcomed by the citizens. ________________________________________________________________. 4. You are invited to the party by Jim. ________________________________________________________________. 5. Chocolate is loved by many children. ________________________________________________________________. 6. Historic places in my hometown are protected by the authorities. ________________________________________________________________. 7. This old man is visited regularly by his grandchildren. ________________________________________________________________. 8. The letter is accidentally torn by me. ________________________________________________________________. 9. This problem is cleatly explained by my teacher. ________________________________________________________________. 10. The vase is placed under the table by my mother. ________________________________________________________________. BÀI 11: Chuyển những câu bị động dưới đây về thể khẳng định (+), phủ định (-) và nghi vấn (?) ở thì quá khứ đơn. 1. (+) This building was designed by a French architect. (-)_________________________________________________________ (? ) ________________________________________________________ 2. (+)_________________________________________________________ (-) This non-profit organization wasn’t founded in 1990. (? ) ________________________________________________________ 3. The thieves were arrested yesterday. (-)_________________________________________________________ (? ) ________________________________________________________ 4. (+)_________________________________________________________ (-)_________________________________________________________ Was this piece of music composed y Mozart? 5. (+)_________________________________________________________ The keys weren’t found in her bedroom (? ) ________________________________________________________ 6. the statue was destroyed years ago. (-)_________________________________________________________ (? ) ________________________________________________________ 7. (+)_________________________________________________________ (-)_________________________________________________________ (?) Were Janet born in America? 8. (+) I was named by my grandparents. (-)_________________________________________________________ (? ) ________________________________________________________

Xét tính đồng biến và nghịch biến của hàm số y = x^3– 3x^2 – 9x - 10

Em hãy đóng vai một người dân ở làng Gióng để kể lại toàn bộ câu chuyện Thánh Giống