Chứng tỏ rằng nếu ( ab+ cd) chia hết cho 9 thì abcd chia hết cho 11

I. Choose the word or phrase (A, B, C or D) which best completes each sentence. 1. Of the four dresses, which is _________________expensive? A. the best B. the most C. the more D. the greater 3. 2. The larger the apartment, the __________________ the rent is. A. expensive B. more expensive C. expensively D. most expensive The faster we walk, __________________ we will get there. A. the soonest B. the soon C. the more soon D. the sooner 4. “Why did you buy these oranges?” “They were __________________ I could find” A. cheapest B. cheapest ones C. the cheapest ones D. the most cheapest 5. She plays the piano __________________ as she sings. A. as beautifully B. more beautifully C. as beautiful D. the most beautifully 6. The streets are getting more and __________________ these days. A. crowded B. less crowded C. more crowded D. most crowded 7. The larger the city, __________________the crime rate. A. highest B. higher C. the highest D. the higher 8. You must explain your problems ________. A. as clear as you can B. as clearly as you can C. as clear than you are D. as clearly as you are 9. Nobody in this team plays _________ Tom. A. as good as B. so well as C. as best as D. as well as 10. Which woman are you going to vote for? –I’m not sure. Everyone says that Joan is _____________. A. smarter B. the smarter C. more smarter D. more smart 11. Bill is _________________. A. lazier and lazier B. more and more lazy C. lazier and more lazy D. more lazy and lazier 12. It’s too noisy here. Can we go somewhere _______________? A. noisier B. more quiet C. more noisy D. quieter 13. ______the time passes, _____I feel! The deadline of my thesis is coming, but I have just finished half of it. A. The faster / the nervous B. The more fast / the nervous C. The fast / the more nervous D. The faster / the more nervous 14. China is the country with__________________ population. A. the larger B. the more large C. the largest D. the most large 15. She sat there quietly, but during all that time she was getting__________________. Finally she exploded. A. more and more angry B. the more angry C. angrier and angrier D. the most angry 16. For ___________ it is certain that in the future some things will be very different. A. the better or the worse B. the good or the bad C. good or bad D. better or worse 17. Her grandfather’s illness was__________________ we thought at first. A. more seriously as B. as seriously as C. more serious than D. as serious than 18. My brother was feeling tired last night, so he went to bed____________ usual. A. more early than B. as early as C more earlier as D. earlier than 19._______ you study for these exams, _______ you will do. A. The harder / the better B. The more / the much C. The hardest / the best D. The more hard / the more good 20. His house is _______ mine. A. twice as big as B. as twice big as C. as two times big as D. as big as twice 21. Today English is ____ international of languages. A. more B. most C. the most D. the more 22. Is this book more interesting ____ the one you read last week? A. that B. as C. than D. of 23. The teacher speaks English ____ we do. A. fluently B. more fluently C. most fluently D. more fluently than 24. John is much ____ I thought. A. strong B. more strong C. stronger than D. more strong than 25. Thank you! That’s ____ gift I have ever received. A. the nicer B. a nice C. nicest D. the nicest 26. The little boy spoke English ____ his brother. A. more fast B. fast than C. the fastest D. faster than 27. Sorry we’re late. Your house is much ____ than we thought. A. far B. the farthest C. the farther D. farther 28. China is the country with the ____ population. A. larger B. large C. most large D. largest 29. My sister is much ____ than me. A. pretty B. prettier C. the prettiest D. more prettier 30. Do you feel ____ today than yesterday? A. well B. good C. best D. better

Giúp em bài này vs ạ chỉ ra dấu hiệu nhận biết với thì Em cảm ơn

Tính nhanh: $\frac{144}{97}.\frac{141}{95}.\frac{46}{31}. ... .\frac{50}{33}.\frac{153}{101}.\frac{156}{103}$

làm hết nha các bạn cố phóng lên tí là ok

Làm ơn giúp em vs ạ ! Em chỉ có 10p để nộp ạ viết thành câu gián tiếp

Giup minh voi a Minh cam on trc a

Nhìn cô bé đc hong ạ? Iem xin nhận xét :") Vẽ anime/ semi Or Fanart pic dứi Digi Full màu Full line Có tâm Thanks:Đ

Vẽ đậu mầm NL : quyển họa báo là quyển gì

giúp em với, em cần câu c thôi nhưng phải giải câu b ms làm đc câu c ._. :<< đề hơi dài :))