rút gọn biểu thức : n=5x−∣x∣ q=3x−4∣2x−1∣ p=∣x−1∣+2x−3

sáng tác truyện ngắn với chủ đề "Món quà ý nghĩa" trong đó có sử dụng 3 câu ghép

cho tam giác vuông ABC tại A có AH là đường cao AM là đường trung tuyến a) biết AB=6cm AC=8cm tính AH BH CH b) Gọi D và E lần lượt là hình chiếu của AB và AC. Chứng minh DE^2 = BH.HC c)chứng minh DE vuông góc với AM d) giả sử diện tích ABC= 2 diện tích AEHD chứng minh tam giác ABC vuông cân mn ơi giúp em với

Giải giúp mình nhanh nhanh được ko ạ

Vẽ spider man miles morales nhớ ký nhé

giúp mik 2 bài này, mik cự kì gấp nha! cảm ơn rất nhìu. sẽ vote 5 sao+câu tl hay nhất

TEST WORD FORM, COMPARISON, QUANTITY, S-V 1.There was some new _______ in the laboratory A. equip B. equipment C. equips D. well-equipped 2.Have you seen the new_______ for Double Rich shampoo? A. advertise B. advertising C. advertisement D. advertised 3.This school has excellent_______ A. repute B. reputing C. reputed D. reputation 4.If you want to _______ your English, we can help you. A. improvement B. improve C. improving D. improved 5.In Malaysia, _______is free. A. educate B. educated C. educating D. education 6.What is the main language of _______at that school? A. instruct B. instruction C. instructor D. instructed 7.It is time a _______ was made about the new school. A. decide B. decided C. deciding D. decision 8. I’m worried about the _______ of the children when they travel on the crowded street to school. A. safety B. safely C. safe D. safest 9.In order to _______the road, they have to limit the pavement. A. wide B. widening C. widen D. widely 10.Columbus_______ America in 1492. A. discovery B. discovered C. discovering D. discoverable 11.He is the _______ of this famous book. A. write B. writing C. written D. writer 12.It is the pronunciation that causes me a lot of _______. A. difficult B. difficulty C. difficulties D. difficultly 13.The more she smiles , ................ she becomes. A. more graceful B. the most graceful C. most graceful D. the more graceful 14.Hotels have developed …………………… restaurants. A. as rapidly as B. so rapidly as C. as rapid as D. more rapid 15. Can Tho bridge is the …………………… one in the South of Viet Nam. A. long B. the longer C. longest D. longer 16.Prices get .................. A. high and high B. highest and highest C. more and more high D. higher and higher 17.English is thought to be ....... than Math. A. harder B. the more hard C. hardest D. the hardest 18. Jupiter is ....... planet in the solar system. A. the biggest B. the bigger C. bigger D. biggest 19. She runs …… in my class. A. the slowest B. the most slow C. the slowly D. the most slowly 20. My house is ....... hers. A. cheap than B. cheaper C. more cheap than D. cheaper than 21. Three weeks _______not enough holiday. A. are B. were C. was D. been 22. Each of you ____ a share in the work. A. having B. has C. to have D. have 23. A number of students ____ volunteered to the job. A. have B. has C. to have D. having 24. The Philippines ____ of more than 7,000 islands. A. consist B. consisting C. consisted D. consists 25. The United Nations ____ its head quarters in NewYork city. A. have B. having C. has D. to have 26. One of my neighbours ____ curious about other people’s private life. A. being B. were C. is D. been 27. There ____ a few flowers in this garden last summer. A. being B. were C. are D. is 28. Collecting old coins ____ one of my hobbies. A. being B. were C. are D. is 29. Everybody ____ trying to do their best at present. A. to be B. have been C. are D. is 30. The police ____ come to the site of the accident. A. have B. has C. having D. to have 31. Have you seen _______ good films recently? - No, I haven’t been to the cinema for ages. A. any B. some C. a few D. most of 32. Can I have _______ coffee for my breakfast? A. any B. few C. little D. some 33. ______ the Vietnamese people make their living by farming. A. Most B. Most of C. Some of D. Much of 34. Don’t drink ________wine . It’s bad for your health. A. many B. a few C. so much D. little 35. He had spent________ time writing an essay about his childhood. A. a large number of B. a great deal of C. a few D. many 36. You talk too________ and you often do too________ tricks in class. A. much / many B. little / much C. little / much D. many / much 37.They knew _________ about him but they said they didn’t. A. many B. few C. much D. little 38. The room is almost empty. There are very ________ people there. A. few B. a few C. a little D. little 39. The teacher gave us ________ difficult exercises. A.much C. some B. a little D. one 40. We have to delay this course because there are __________ students. A. a large number of B. few C. some D. many lm hộ vs ạ

DIGI: Vẽ chibi full line, full màu Đừng đơn giản quá Xấu = báo cáo

1 - Một vòi nước chảy trong 1 giờ 24 phút thì đầy một bể chứa 4m ³ nước . Vậy vòi đó chảy 1m ³ nước trong .... phút ? 2 - Các phân số 3/6 , 9/4 , 7/12 xếp theo thứ tự từ bé đến lớn là : ...?

chứng tỏ rằng với mọi số tự nhiên n thì các số sau là số nguyên tố cùng nhau a) n+3 và n+2 b) 3n+4 và 3n+7 c) 2n+3 và 4n+8