BÀI NÀY LÀM SAO VẬY x + 2x + 3x + 4x +...+ 100x = 5050

Giữa mình vs mình cảm ơn trước

31. On the official flag of Canada, we can see__________. A. a crescent moon ​​​​ B. four red stars​​ C. a red maple leaf ​​​​ D. white stripes 32.What is one of the most famous landmarks in Australia? A. Leaning Tower of Pisa​​ ​B. Great Barrier Reef C. Statue of Liberty​​ ​​D. Machu Picchu 33. What is the name of the most famous clock in Britain? A. Big Clock​ B. Big John​​​ C.Big Apple​ D. Big Ben 34. Which country does not have a star on its flag? A. The United Kingdom​​​​ B. The United States C. New Zealand​​​​​ D. Singapore 35. Which country is an island city-state? A. Scotland​​ B. Wales​ ​​C. Singapore​ D. Australia 36. English__________ from a Proto-Indo-European language about 5,000 years ago. A. derives​​​ B. derived​ ​C. is deriving​​ D. has derived 37. Since 2005, India__________ the world’s largest English-speaking population. A. has​​​​ B. is having​​ C. had​​​ D. has had 38. The United Kingdom__________ of Great Britain and Northern Ireland. A. consists​ ​​B. is consisted​ C. has consisted​​ D. consisted 39. English__________ around the world by children in school as a foreign language. A. has learned​​ B. is learning​ C. is learned​​​ D. learned 40. You’d better go to bed early tonight. The plane__________ at 6 o’clock tomorrow morning so we’ll have to be up by 4.30! A. will leave​​ ​B. leaves​ ​C. leave​​ ​D. is leaving 41. Over the past five years, Australia’s population__________ by 1.86 million people. A. increases​​​ B. is increasing​ C. has increased​​ D. is increased 42. I’m sorry. I can’t meet up this weekend. We__________ to Wales on Friday. A. go​​​​ B. are going​​ C. will go​​​ D. has gone 43. In the 16th century, French and British settlers__________ in Canada. A. arrive​​​ B. have arrived​ C. was arriving​​ D. arrived 44. __________ that there are no wild snakes in Ireland? A. Do you know​ B. Are you knowing ​C. Elave you known ​ D. Did you know 45. The Statue of Liberty, an American Symbol of freedom, __________ in France. A. actually made​ B. was actually made ​C. has actually made ​ D. makes actually 46. The Disney World__________ in the City of Orlando, which is in the State of Florida. A. locates​ ​B. is locating​ ​C. is located​​​ D. located 47. Nowadays, Canada__________ against the influence of the foreign cultures, especially of the us one. A. struggled​​ B. is struggling​​ C. was struggling​​ D. has struggled 48. Indian Disney Channel__________ Tom and Jerry Kids at 7 pm. A. shows​ ​B. is showing​​ C. is shown​​​ D. has shown 49. My family__________ in Chicago for more than 20 years. A. live​​ B. are living​​ ​C. were​​​ D. have been 50. Residents from Liverpool speak English__________ a different accent. A. with ​​ B. as​​​ C. on​​​​ D. under

Cho tam giác đều MPQ có điểm O nằm bên trong tam giác MPQ thỏa mãn OM^2=OP^2+OQ^2. Tính số đo POQ

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Xét tính liên tục của các hàm số sau trên tập xác định của chúng: (xét tính liên tục trên khoảng)

Cho 15,3 gam nhô tác dụng vs 8,67 l khí ôxy đktc A) viết PTHH xảy ra? B) tính khối lượng các chất sau khiu phản ứng kết thúc

Viết thành câu mệnh đề dùm mk với ạ

Giúp mk mấy bai nay nha 🙏🏻🙏🏻🙏🏻✍🏻😰😥🥺 Mk đang cần nha ?!

Giúp em với giải hộ em!!!! Bài 6 ạ!