$5A=|x-2|+|2x-3|+|3x-4|$
$=|x-2|+|2x-3|+|4-3x|$
$=|x-2+2x-3+3x-4|$
$=|6x-9|$ $( ≥0)$
Vậy 5A đạt GTNN = 1 khi $x=\frac{3}{2}$
III. Choose the correct answers. 11. I usually play football when I have A. spare time B. good time C. no time D. times 12. In team sports, the two teams ______against each other in order to get the better score. A. are B. do C. make D. compete 13.______draw on the walls and tables, please. A. Do B. Don't C. Should D. Shouldn't 14. Nam plays sports very often, so he looks very _______. A. sport B. sports C. sporty D. sporting 15. Last summer, I ______fishing with my uncle in the afternoon. A. go B. went C. goes D. going 16. I like watching football matches, but I am not very good ______playing football. A. at B. in C. on D. for 17. Team sports are sometimes called ______sports. A. compete B. competition C. competitor D. competitive 18. "______do you do judo?" "Twice a week." A. When B. Where C. How often D. Why 19. ______sports do you like watching on TV? A. How B. What C. Do D. How often 20. Football is regarded _______ the most popular sport in the world. A. for B.as C. like D. of 21. Sports and games _______ an important part in our lives. A. play B. do C. go D. make 22. When you go to the zoo, don't ______the animals. A. play B.do C. tease D. watch 23. Playing sports helps us get______. A. fat B. free C. fittest D. fitter 24, "Nam's dream is to become a______. A. loser B. champion C. contest D. gamer 25. "V d like to watch motor racing because it is very______." A., frightening B. exciting C. excited D. boring 26. My sister often ______badminton in her free time. A. play B. plays C. playing D. to play 27. Marathon is considered a/an ______sport. A. team B. individual C. indoor D. sporting 28. Our school football team ______the match with Iran Phu School last Sunday. A. wins B. won C. scores D. scored 29. Tam ______three goals for our team and made it a hat trick. A. scores B. scored C. plays D. played 30. Blackburn Rover is at the bottom of the league. They ______most of their matches this season. A. played B. won C. lost D. scored
giúp mình vs mọi người eyyyy :3
Viết các phân số 7 phần 6; 36 phần 34; 21 phần 23; 5 phần 2
Trong không gian Oxy cho mặt phẳng (a) đi qua A(1;-2;3) và song song mặt phẳng (Oxy) thì phương trình mặt phẳng (a) là A.x-1=0 B.x+2y+z=0 C.y+2=0 D.z-3=0
vẽ tranh đề tài ngày tết ( ai vẽ đẹp mình tick nha )
-hợp tác là gì? -Em hiểu thế nào về quan điểm của Đảng ta "Việt Nam muốn là bạn với tất cả các nước"
một số công việc trong đời sống mà có sử dụng ròng rọc
Mk cần gấp ạ III. Change into reported speech. 30.Lan said: “We are having champagne tonight” ……………………………………………………………………………………… 31.Mary said: “I like oranges better than bananas” ……………………………………………………………………………………… 32.He said: “We have finished our work” ……………………………………………………………………………………… 33.The girl said: “I will answer the phone” ……………………………………………………………………………………… 34.The boy said: “I can’t do it” ……………………………………………………………………………………… 35.My father said: “It may rain” ……………………………………………………………………………………… 36.The teacher said: “The twins can’t go to school today because they are ill” ……………………………………………………………………………………… 37.She asked me: “Are you going to visit Hue?” ……………………………………………………………………………………… 38.I asked Ha: “Does your father work here?” ……………………………………………………………………………………… 39.Lien asked me: “Will I finish my exercises at home? ……………………………………………………………………………………… 40.Thanh asked Minh: “Are you going to leave tomorrow?” ……………………………………………………………………………………… 41.Hung said: “Is Phong nha cave in Southern Viet Nam, Nhi?” ……………………………………………………………………………………… 42.She said: “Can you speak English, Hung?” ……………………………………………………………………………………… 43.I asked the boy: “Do you know the way to the station?” ……………………………………………………………………………………… 44.Mary asked me: “Do you want to visit London?” ……………………………………………………………………………………… 45.She asked me: “Is Ha Tien in kien Giang province?” ……………………………………………………………………………………… 46.I said: “Do you often take your dog to the park, Thu?” ……………………………………………………………………………………… 47.They asked me: “Will you buy us some food?” ……………………………………………………………………………………… 48.I asked Tuan: “Must you leave here next week?” ……………………………………………………………………………………… 49.She asked him: “Are you waiting for your mother?” ……………………………………………………………………………………… 50.I said to Nam: “You mustn’t leave the door unlocked” ………………………………………………………………………………………
Hãy viết một bài văn miêu tả cảnh sân trường em vào giờ ra chơi.
Các bạn ơi giúp mình với Mình cảm ơn và cho vote 5*
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