Số học sinh của một trường học trong khoảng từ 400 đến 500 người.khi xếp hàng 17 hàng 25 lần lượt thừa 8 người, 16 người. Tính số học sinh trường đó

hãy giúp tôi trả lời: what is the smallest in the world?

Cho tam giác ABC có AB= 4,BC=6,CA=5, đường phân giác AD. a) Vẽ AM song song BC ( M thuộc BD). Tính AM b) Trên tia đối của tia BC lấy điểm N sao cho BN = BC. Vẽ BE vuông góc BD. Tính tỉ số AE/NE

giúp mk bài 3 mk đang cần rất gấp mk sẽ cho 5 sao

Các thánh tiếng anh làm ơn giúp tui đi màaa

các bạn ơi, giúp mình với. hãy tìm 10 câu mở đầu bằng từ thân em

nêu đức chiếm dc liên xô thì đó có phải kết thúc của nhân loại ko ?

nhớ hình bác giữa bóng cờ hồng hào đôi má,bạc phơ mái đầu mặt hiền sáng tựa vì sao, bác nhìn đến tận cà mau sáng ngời a) tìm những từ chỉ sự vật b)tìm những từ chỉ đặc điểm

I. Choose the word which has the underlined part pronounced differently from the others. 1. A. image B. manage C. shortage D. temperature 2. A. quizzes B. changes C. hopes D. watches II. Choose the words that is different from the rest in each group. 3. A. tree B. restaurant C. grass D. flower 4. A. store B. museum C. friend D. hospital III. Choose the word or phrase (A, B, C or D) that best completes the sentence. 5. On Monday, we have a _________ English test. A. forty five-minutes B. forty five-minute C. forty five minutes D. forty five minute 6. You should put the food in a reusable box _________ plastic bag. A. by B. instead of C. because of D. without 7. Don’t forget _________ the light before leaving the room. A. turn off B. turning off C. to turn off D. not to turn off 8. I’d like _________this letter to Ha Noi. A. to send B. sending C. send D. sends 9. Don't forget to buy five _________ of bread! A. bottles B. loaves C. cans D. bars 10. He _________ with his friends in an apartment in Ho Chi Minh City since he_________. A. is living/ came B. has lived/ came C. lived/ came D. lives/ comes 11. _________ silly mistake! A. What B. How C. What a D. How a 12. “How is your sister now, Suzy?” - “She is _________” A. more much worried B. much worried more C. much more worried D. more much worry IV. Supply the correct form of the words in brackets. 13. Mr Vinh is a ________________ teacher. (HUMOUR) 14. There are many ________________ people after the earthquake. (HOME) 15. Are you sure that boys are more ________________ than girls? (ACT) 16. Don’t worry. The police will give you ________________ (DIRECT) IV. Fill each gap of the following sentences with a suitable preposition. 17. Women’s Day is _______________ May 8th. 18. I dreamt about my old friend from school mid night last weeek 19. We might go camping but it all depends _______________the weather. VI. Each of the following sentences has one mistake. Identify the mistakes 20. Charles does like his father with curly fair hair. A B C D 21. There are much students in my class. A B C D 22. Let’s playing computer games now. A B C D VII. Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage. I live in a small village called Northville. There are about 2000 people here. I love the village (23) _________ it is very quiet and life is slow and easy. The village is always clean; people look (24) _________ it with great care. The air is always clean, too. People are much friendlier here than in a city because everyone (25) _________ the others, and if someone has a problem, there are always people who can help. There are only a few things that I don't like about Northville. One thing is that we have not got many things to do in the evening; we haven't got (26) _________ cinemas or theaters. The other thing is that people always talk about (27) _________, and everyone knows what everyone is doing. But I still prefer village life to life in a big city. 23. A. so B. although C. because D. but 24. A. for B. at C. up D. after 25. A. knows B. know C. is knowing D. knew 26. A. little B. some C. any D. few 27. A. others B. other C. another D. one another VIII. Read this passage carefully then choose the best answer to each question below. A TWENTY YEAR- STOLEN BICYCLE Ted Robinson has been worried all the week. Last Tuesday he received a letter from the local police. In the letter the police asked him to meet them at the police station. Ted wondered why the police wanted him, but he went to the station yesterday and now he is not worried any more. At the station he was told by a smiling policeman that they found his bicycle. Five days ago, the policeman told him, the bicycle was picked up in a small village four hundred miles away. They are now sending his bicycle to his home by train. Ted was most surprised when he heard the news. He was amused too, because he never expected the bicycle to be found. It was stolen twenty years ago when Ted was a boy of fifteen. 28. Ted was worried because ____________. A. He received a letter B. He went to police station yesterday C. The police would catch him D. He didn’t know why the police wanted him. 29. The police who talked to Ted was ___________. A. pleasant B. worried C. surprised D. small 30. What did the policeman tell him? A. His bicycle was lost. B. His bicycle was found five days ago. C. He was very surprised. D. He never expected the bicycle to be found. 31. Why was Ted very surprised when he heard the news? A. Because his bicycle was stolen 20 years ago B. Because his bicycle was found when he was a boy of fifteen. C. Because the bicycle was sent to him by train D. Because he thought he would never find the bicycle. 32. Which of the following statements is NOT true? A. The police asked Ted to go to their station. B. Ted is no longer anxious. C. The policeman told Ted the good news yesterday. D. Ted is 25 years old now.

Giúp mk với Bài 1 tính tổng 1/ 1+(-2)+3+(-4)+.....+109+(-110) 2/ 1-2+3-4+........+199-200 3/ 2-4+6-8+.....+98-100 4/ -1+3-5+7-.....+197 -199 5/ 1+2-3-4+......+197+198+199-200 Giúp mk nhé mk sẽ vote