cho hàm số y=f(x) liên tục trên [0;1] và f(0)=f(1). Chứng minh phương trình f(x + 1/2021) =f(x) luôn có nghiệm thuộc đoạn [0;1]

Điền số thích hợp vào chỗ chấm: 20,5dm³ - 25cm³ x 0,8=........dm³

Giúp mình bài từ loại này mới nhé nhờ mn giải thich tại sao lại điền loại đó nha:))) mình đang cần gâp ạ EX6: If you want to improve your overall level of fitness, running is one of the best sports to choose. It can increase the strength of your bones, it is good for your heart, and it can help with weight (1) . You will soon begin to see a significant (2) in your general heath and and if you are the sort of person who enjoys a challenge, then you could condider making the decision to run a marathon-a race of (3) 42 km. (4) runners and sports intructors say you should make a point of having a physical (5) with tour doctor before you start training. Another (6) is that anyone who has an old back, knee or ankle injury should take extra care. You should never use running shoes which hurt your feet or in which you fell (7) after a long run. It is a good idea to start by running slowly for about twenty minutes three times a week and (8) increase the number of km you run. You should find running long (9) progressively easier, and after a time, you may feel that even a arathon will be (10) 1.lose 2.improve 3.approximate 4.experience 5. check 6. recommend 7.comfort 8.gradual 9.distant 10.possiblity

34m=....dm 623dm= .....m 2m3=.....dm3 243cm=.......dm

Vẽ semi nam NL: ông anh ntn thì nên đấm hay lj ạ ?

Mng bảo mk cách tải cam về máy ( laptop nha ) y/c : Chụp chi tiết từng cách làm

.....are you still watching TV? A. Why B. What C. Where D. Who

Một phân xưởng phải hoàn thành kế hoạch 1200sản phẩm khi thức hiện do cải tiến kĩ thuật nên năng xuất tăng 100 sản phẩm nên hoàn thành công việc sớm hơn 1 ngày.tính năng xuất xưởng đã làm việc

Cho 2 số có thương 0,4 và hiệu giữa chúng là 21,6 .số lớn trong hai số là: A.5,4 B.14,4 C.36 D.7,2

1. I______ know the correct answer. * 1 điểm A. am not B. not C. don’t D. doesn’t Mục khác: 2. They ______ agree with my opinion. * 1 điểm A. are B. don’t C. aren’t D. do Mục khác: 3. Kathy usually ______ in front of the window during the class. * 1 điểm A. sits B. sitting C. sit D. is sit Mục khác: 4. What does this word ______? * 1 điểm A. means B. meaning C. mean D. is mean Mục khác: 5. He ______ share anything to me. * 1 điểm A. don’t do B. isn’t C. not D. doesn’t Mục khác: 6. I come from Canada. Where ______you come from? * 1 điểm A. are B. do C. is D. not Mục khác: 7. Jane ______ tea very often. * 1 điểm A. doesn’t drink B. drink C. is drink D. isn’t drink Mục khác: 8. How often ______ you play tennis? * 1 điểm A. do B. are C. is D. play Mục khác: 9. Rice ______ in cold climates * 1 điểm A. isn’t grow B. don’t grow C. aren’t grow D. doesn’t grow Mục khác: 10. I ______ a compass and a calculator in Maths lesson. * 1 điểm A. am use B. use C. aren’t use D. doesn’t use Mục khác: 11. She ________ yoga every day. * 1 điểm A. plays does has study Mục khác: 12. Keep quiet! Jessica ______ a headache so she is sleeping in her bedroom. * 1 điểm has have having had Mục khác: 13. Williams always ______ breakfast with bread, egg and milk before coming to school. * 1 điểm A. has B. plays C. studies D. does Mục khác: 14. She usually ______ English vocabulary every morning. * 1 điểm A. doing B. having C. studies D. plays Mục khác: 15. We _________ lunch at 11 o'clock. * 1 điểm do play have study Mục khác: 16. My brother ______ basketball with his friends three times a week. * 1 điểm A. does B. has C. plays D. study Mục khác: 17. Helen rarely ______ a chat with her pen friend in American. * 1 điểm A. does B. has C. studies D. plays Mục khác: 18. Frank is ______ Maths at the moment to prepare for the final exam. * 1 điểm A. studying B. doing C. playing D. has Mục khác: 19. My brother doesn’t ______ badminton in the evening * 1 điểm A. play D. do C. have D. study Mục khác: 20. late/ comes/ she/ often/ to school/ in winter. * 2 điểm. 21. enjoys/ swimming/ in our pool/ always/ in the morning/ she. * 2 điểm 22. a/ go/ with/ often/ walk/ dog/ for/ We/ our/ * 2 điểm We often go with our dog for a walk. 23. Kathy usually ______ in front of the window during the class. * 1 điểm A. sits B. sitting C. sit D. is sit Mục khác: 24. lessons/ many/ have/ on/ how/ you/ do/ Friday? * 2 điểm How many lessons do you have on Friday? 25. school/ at/ English/ we/ have/ classes/ don’t/ today * 2 điểm 26. lives/ street/ grandparents/ he/ Hoang Quoc Viet / his / on/ with/. * 2 điểm 27. like/ sister/ reading/ doesn't/ My/ magazines. * 28. enjoy/ on/ They/ photos/ taking/ holiday/. * 2 điểm 29. building / Andy's / in /works / big /brother / a /. * 2 điểm 30. always/ at nine o’clock/ out of the garage/ in the morning/ drives/ his car/ he/ .2 * 2 điểm