phân tích đa thức thành nhân tử a) xy - y√x + √x - 1 b) √ax - √by + √bx - √ay c) 12 - √x - x

>< Giúp e với nhaaa , e cảm ơn ! Một bài ạ

Các bạn là hộ mik 2 bài văn văn này với ạ ( Viết đoạn văn). Nếu thấy của bạn nào hay thì mik vote cho

cho hình thang cân ABCD,d là đường thẳng đi qua trung điểm 2 đáy. Cmr: a, hai đường chéo cắt nhau tại 1 điểm trên d b, hai đường phân giác của 2 góc kề đáy cắt nhau tại 1 điểm trên d

Vẽ chibi/ anime Digi not tradi nek ( ko paint nha)

Ai giúp với ko đơn giản đâu nhé

Giúp tiếp mình câu hỏi môn tiếng việt này với: Đặc trưng của cụm từ cố định . Anh chị hiểu thế nào là đồng nghĩa ngữ cảnh ? Lấy ví dụ minh họa

Một thửa ruộng hình thang có đáy bé 5m,đáy lớn 15m.Người ta mở rộng đáy lớn thêm 5m thì diện tích tăng thêm 20m2.Tính diện tích thửa ruộng ban đầu khi chưa mở rộng?

8. They haven’t seen Deach other since September when they have met at Mary's party. A B C D 9. Peter has bought a new MP3 player yesterday but I haven’t seen it yet. I. Choose the underlined word or phrase (marked A, B, C or D) in each sentence A B C D 2. She has known how to look after sickness children in the right way so far. A B C D 3. We often volunteer at the nursing home to help elderly in our free time. A B C D 4. He has attended a green project and planted a lot of trees in their community A B C D two months ago. 5. She had time to play chess with her brother yesterday morning because A B C she cleaned the dirty beach with her green club. D 6. He has repaired and paints his son's old bicycle for two hours. A B C D 7. They didn't collected enough books and clothes for their volunteer programme yet. A B C A B C D 10. The hockey player hit his head on Friday and he was in hospital since then. A B C D 1.Community ________ have a lot of positive effects on students. (SERVE) 2. ______________ people find it difficult to have a job. (DISABLE) 3.I’d like to work as a volunteer for a charity ______________. (ORGANISE) 4.He made a £5000 ______________ to charity. (DONATE) 5.The Soup Kitchen is a ______________ organization that provides free meals for needy people. (PROFIT) 6.The homeless shelters are entirely staffed by ________ worker. (VOLUNTEER) 7.The organization is funded by ______________ donations. (CHARITY) 8.We help the ______________ with housework and gardening. (OLD) 9.He is_______that he will donate old books to poor children. (CERTAINTY) 10.They will make a great_______for their community when they open a new school for the street children. (DIFFER)

Mark the letter A, B, C or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. Why are slums in Hanoi less visible than in other rapidly growing cities? A. messy houses B. old square C. poor conditions D. luxury flats