82.16 ÷ 5.2 mấy bạn nhớ làm chi tiết nha
Cho ΔABC vuông tại A, AH⊥BC(H∈BC) ; AB=9cm;AH=7,2cm;HC=9,6cm Tính cạnh AC; BC Select one: A. AC=10cm;BC=15cm B. AC=12cm;BC=15cm C. AC=15cm;BC=12cm D. AC=12cm;BC=14,5cm
Dẫn 11.2 lít khí hỗn hợp gồm có H2S và H2 vào 400ml dd NaOH 2M. Tìm CM các chất trong dung dịch sau phản ứng nếu lượng khí thoát ra là 5.6 lít
II. Rewrite the following sentences so that it has a similar meaning. Using the word given. 1. Our package holiday was wonderful, the price was reasonable. It ____________________________________________________ 2. I bought a book at the bookstore near my house yesterday. It was really interesting. The book ______________________________________________ 3. She like the history of Asian countries very much. She is very interested ____________________________________ 4. I watched a really interesting international football match on TV last night. The international football match _____________________________ 5. Man invented the bicycle. It is one of the most efficient machines. The bicycle is _____________________________________________
tính bằng cách thuận tiện nhất : 200×234÷100×20÷10
giup mk lam voi help me mk chup hoi mo nha
Chọn từ có âm nhấn khác với các từ còn lại) 1. A. happen B. enter C. begin D. answer 2. A. culture B. balloon C. weather D. cannon 3. A. receive B. finish C. become D. compete 4. A. visit B. travel C. wonder D. protect 5. A. critic B. poster C. machine D. project
mn ơi vẽ giùm mk bts nha (ko chibi, ko anime, ko mạng, sao chép, spam) Vẽ đẹp đẹp nha các army
Đạn khối lượng 2kg đang bay theo phương ngang với vận tốc 200 m/s thì nổ thành 2 mảnh có khối lượng bằng nhau. Mảnh 1 bay với vận tốc v1=200m/s hợp với phương ban đầu của viên đạn góc 60°. Xác định vận tốc mảnh bay kia. Mọi người giúp em với ạ.
Ex 1: Choice the best answer: 1. This is the place _________ I met my wife. A. what B. where C. which D. that 2. Simon is the man _________ Mary loves. A. who B. which C. whom D. A&C 3. She is the one _________ I told you about. A. what B. which C. whose D. that 4. Those _________ had studied hard passed their exams. A. what B. which C. who D. whose 5. The magazine _________ you lent me is interesting. A. what B. which C. whom D. whose 6. The man _________ is resting is very tired. A. what B. which C. whom D. who 7. The boy _________ sat next to you is my friend. A. who B. which C. whom D. whose 8. We are using books _________ were printed last year. A. what B. who C. which D. whose 9. The painting_________Ms. Wallace bought was very expensive. A. whom B. whose C. which D. where 10. The homeless people_____story appeared in the paper last week have now found a place to live. A. who B. whom C. that D. whose 11. __________ is your favorite sport, swimming or running. A. What B. Which C. Whom D. Whose 12. Were the Wright brothers the ones __________built the first aeroplane? A. which B. whom C. whose D. that 13. I don't like stories________ have unhappy endings. A. where B. which C. they D. who 14. She, ________ is your sister, lives far away. A. which B. who C. whom D. she 15. I see some girls ________ are pretty. A. whom B. which C. who D. they 16. Give back the money ________ you took. A. it B. who C. whom D. which 17. He was killed by a man ________ friends we know. A. whose B. which C. whom D. that 18. He spoke to the messengers with ________ you were leaving. A. which B. whom C. whose D. that 19. We captured a town ________ is in Spain. A. whom B. where C. which D. it 20. The farmers ________ we saw were in the field. A. whose B. which C. they D. whom 21. The women ________ I gave the money were glad. A. to whom B. to that C. for whom D. for that 21. The film about _____ they are talking is fantastic. A. who B. which C. whom D. that 22. The people ____ for the bus in the rain are getting well A. waiting B. to wait C. waited D. wait 23. He is the boy _______ is my best friend A. that B. whom C. who D. A& C 24. I have a message for people _____ by the traffic chaos. A. to delay B. who delay C. delayed D. who delaying 25. I live in a pleasant room ____________ the garden. A. to overlook B. overlooking C. overlooked D. which overlooking 26. Melanie was the only person _____ a letter of thanks. A. wrote B. written C. to write D. writing 27. The pilot was the only man _______ after the crash. A.was rescued B. rescued C. rescuing D. to be rescued 28. I met a lot of new people at the party ________ names I can’t remember. A. whose B. which C. who D. whom 29. I’ll see you near the post office ___________ we met the other day. A. which B. where C. when D. why 30. Tell me the reason ______ you were absent yesterday. A. where B. when C. why D. that 31.There was a time ____ dinosaurs dominated the earth. A. which B. when C. that D. A & B 32. Summer is the time of the year _________ the weather is the hottest. A. when B. which C. that D. B & C 33. Do you know the man about _______ they’re talking? A. whom B. whose C. that D. A & C 34. What’s the name of the blonde girl _____ just came in? A. who B. whose C. whom D. A & B 35. I don’t like people ________ lose their tempers easily. A. who B. whose C. that D. A & C 36. I don’t like people _______ never stops talking. A. that B. whose C. where D. whom 37. It _____in Hanoi _____ I was born and grew up. A. is / that B. was / that C. was / which D. is / which 38. It____ Lan _____ always helps him in his trouble. A. was/ who B. was/ that C. is / who D. is / which 39. It was The World Cup _______in Korea and Japan. A. which was held B. that were held C. that was held D. that held 40. Marie,_______ I met at the party, called me last night. A. that B. whom C. which D. whose
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