Cho hình chóp S.ABCD đáy là hình thang, đáy lớn là AB. Gọi M là trung điểm BC. Giao tuyến của mặt ( SAB) và (SDM) là?

Một nhà trẻ dự trữ gạo cho 90 em bé ăn trong 28 ngày. Nay có một số em chuyển đi trường mới nên số ngày ăn tăng lên thêm 8 ngày so với dự kiến. Hỏi có bao nhiêu em đã chuyển đi? (mức ăn như nhau) Sau khi trả lời xong câu này thì còn có câu khác nữa nhé

mọi người ơi làm ơn giúp với ạk

viết một đoạn văn ghi lại cảm xúc của em trước một việc làm nào đó của một người thân đã làm cho em. Trong đoạn văn phải đảm bảo tính liên kết và sự mạch lạc. (đoạn văn từ 8-10 câu) ko chép mạng nha!

3. This cat often chases the mice around the kitchen. 4. Lisa didn't invite me to her party last week. 5. Bin attended this course 2 years ago in Japan. 6. Kathy doesn't buy any books for her new school year. 7.The little boy puts the birds in a cage. 8.My little son feeds the goldfish every morning. 9.We haven’t done our homework yet. 10.My brother repaired my bike yesterday. 11.They don’t inform us of the news. 12.The students did the test in 30 minutes. 13.The chef cooks this dish very well in this restaurant. 14.Andy bought this backpack in a shop near her house last month. 15.Andy bought this backpack in a shop near her house last month. 16.Lucy takes her children to the zoo every weekend. 17.Dave told a funny story to all of us this morning. 18.Mom often makes delicious cakes for us every weekend. 19.Jane didn’t water the flowers in the garden yesterday. 20.My uncle often takes his dog out for a walk everyday

I. Viết lại câu sử dụng đảo ngữ: 1. There is a temple on the top of the -> On the 2. The flies are on the book. -> On the book 3. Lombard Street is found in San Francisco -> Found 4. A man with a gun stood in the doorway. -> In the doorway 5. Although she is young, she knows a great deal. -> Young as 6. Although he studies hard, he makes little progress. -> Hard as 7. If you were a fish, the cat would eat you. -> Were 8. If your father had known this, he would have given you advice. -> Had 9. If you should need my help, phone me at once. -> Should 10. I've never been more insulted. -> Never 11. He seldom sees anything strange. -> Seldom 12. She rarely saw him looking so miserable. -> Rarely 13. The man can hardly walk without a stick. -> Hardly 14. She scarcely phones us after 9.00 p.m. -> Scarcely 15. He not only studies well, but also he sings perfectly. -> Not only 16. She is not only rich, but she is also beautiful. -> Not only 17. He didn't say a word. -> Not 18. He didn't give me a penny. -> No 19. They little realized that Ted was a secret agent. -> Little 20. I can't find my passport anywhere. -> Nowhere 21. If I were you, I would buy that villa. -> Were 22. She sings beautifully and learns well. -> Not only 23. She sang so well that she was offered a record deal. -> So 24. He took such a long holiday that he forgot how to do his job. -> Such 25. He had just recovered from the flue when he caught a bad cold. -> No sooner 26. If the river rises any higher, the town will be flooded. -> Should 27. If you’ve paid on time, you wouldn’t have been cut -> Had 28. Many people think she is English because she speaks language so fluently. -> So 29. The dancer moved so gracefully that he appeared to be staking. -> So 30. I don’t really like her even though I admire her achievements -> Much as 31. He tried hard, but he could not master English pronunciation. -> No matter 32. I phoned him as soon as I went home. -> No sooner Giúp mình với hứa vote 5 sao!!!

Cho hình bình hành ABCD. Gọi Ik theo thứ tự là trung điểm CD, AB, Dường chéo BD cắt AI, CK theo thứ tự ở M và N. Chứng minh a, AI //CK b, DM = MN = NB Yêu cầu có hình vẽ đoàng hoàng

Viết về topic ''programme'' Nha Nếu cần j cứ nói Mong đc giúp ạ ∵ ∴

đặt câu với mẫu ai là gì? ông bà cha mẹ thày cô giáo

Calli: Ngủ đi baee :'33 NL: Ngủ đi, chần chừ gì nữa? Lại buồn à? Thôi, bài tập để sáng mai, thất tình để sáng mai, âu lo để sáng mai, giờ ngủ đi nào ;)).